Bidhan Chandra Krishi Viswavidyalaya - West Bengal

33676305 purchase , particulars , atomic absorption spectrophotometer ( aas ) : atomicabsorptionspectrophotometerwithgraphitetubeautomizer ( gta ) , flameautomizer ( fa ) andvapourgenerationassembly ( vga ) , unitforflame ( airacetyleneandnitrousoxide acetylene ) , chiller, autosamplersforgtaandflame.: technical specification: atomic absorption spectrophotometer: computer controlled with built inflame emission mode, wave length range: 180 – 910nmwave length, sensitivity: sensitivityatleast0.35absfor5µg / mlaqueouscopperstandardsolutionwithair – acetylene flame., optics: double beamholographic monochromator, czerny turner , focallength: atleast250mmfocallength, resolution: 1800lines / mm, slit width: 0.1nm, 0.2nm, 0.4nm, 1nm, 2nm & 5.0nm ( six step auto changer ) , flame atomizer: alltitaniumor equivalentburnerwithimpactbead / flowspoiler, premixdesign, movement: automatic movementintothe sample compartment, affect from acids, organic solvent: unaffected from attacks by acid solution or organic solvents ( e.g. methylisobutylketone i.e. mibk, flame alignment in liquid beam:fullyautomatic, optimizedwithmotorizedburnermountforverticalandhorizontalburneradjustment, nebulizer:highprecisionabletoprovidemanuallyadjustableuptakeratesmaterialofthenebulizerandrelatedventurishouldbeinerttoacidsolutionsandorganic solventssuchasmibk, flame control: computercontrolledignition, gas control: computercontrolledwithoxidantandfuelgasesmonitoringtomonitorconstantfuel / oxidantrationignition., safety function: interlockingsystem to preventignition, essential interlock monitor: burnertypeaswellasitspresenceinposition, airselector, flamesensor, liquidtraplevel, gassupplypressureandairsupplyanywhere inthe networkofgastubings inthe system, automatic lamp selection function: computer controlled hollow cathode lamp selection and alignment, lamp holder: atleast8lampholderwithbuiltinpowersuppliesforhollowcathodelampsandelectrode–lessdischargelampsorequivalent, operating parameter setting: automatic setting, read out / display: displayfacilityforabsorbanceaswellasconcentration, displayoferrorsorerrorcodes, absorbancerangeat least upto 2.0 abs., scale expansion: scale expansionatleastupto 100x, integration time: integrationtime shouldcoveratleast0.1to 60 secondsrange, measurement: measurementsofmean, rsdandcv, backgroundonlymode, integration ofpeakheightandpeakareas.accessories / spares with flame aasystem, vapor generation assembly: shouldbecontinuousflowbasedhydride / mercuryvaporgeneratorwithoptionofusingwithorwithoutaprogra, mmable auto sampler highly automatic: after pressing the start key, the whole, process ( sampling, reacting, calibrating and cleaning ) will be, finished automatically.high sensitivity: the sensitivity of most elements is better than 1ng / ml / 1%a. sensitivity of arsenic is better than 0.15ng / ml / 1%a.rsd: less than 3% measurement time: the single measurement will take 25 to 35 sec, less solution: sample 2 2.5ml ( including clean ) , potassium, borohydride 1 1.5ml, carrier liquid 5 6ml.atomizer: heated absorption cell ( heated by air c2h2 flame in standard carrier gas: ar pressure: 0.32 mpa, consumption:70 ml / min, power requirements: 240 vac, 50 / 60 hz, precision: precisionofbetterthan oratleast1%atppblevelsofmercury, arsenic etc. absorption cell: theabsorptioncell’smaterialshouldhavenoeffectofthehighheatof the flame andthe cellforthe analysis ofmercuryshouldbeofa closedabsorptiondesign flame arrester: flamearrestershouldbeprovidedinthetubewhichconnectsthe assemblyto the absorptioncell, cell design holder: thedesignofthecellholdershouldgiveafirmandeasilyadjustable ( foralignment ) mountingonthe burnerhead. system accessories: complete withnecessary reagentbottles, connectorsetc.hollow cathode lamps: arsenic, antimony, calcium, chromium, cobalt, copper, iron, nickel, lead, manganese, mercury, tin, zinc, molybdenum. air compressor with air filter or equivalent air service unit:completewithpressureregulatorquiteinoperation, necessarytubingandconnectorsandshouldmeettheairsupplyrequirements of aasoperation.oil free pump: oil free pumpandmoisture trap, corrosion resistant: resistanttoacidic vapourandthedrainvalve ( if any ) shouldbemade of stainlesssteelof equivalentcorrosionresistantmaterial nitrous – oxide gas regulator: nitrousoxidegasregulator ( twostage ) withheater, withnecessarytubing’sandconnectors.necessarytransformershouldbeprovidedto transformthissupplyto therequirementsoftheheater.theheatershouldworkon230±10volts50hzacpowersupply.acetylene gas regulator: acetylene gasregulator ( twostage ) withnecessarytubingandconnectors.nitrogen gas regulator: nitrogenregulator ( twostage ) withnecessarytuningsandconnectors.graphite furnace system, graphite tubeatomizer: should becomputercontrolledfullyenclosedgraphitetubesystemconsistingofstabilizedtemperature / totalpyrolyticgraphite plateform.gassupplies: provisionoftwogassupplies ( programmeselectable ) withindependentcontroloverthe gassupplythroughthe furnace.heatingrate: heatingrate ofatleast2500°cpersecond coolingtime: coolingtime20seconds temperature range: temperaturerangeambientto 3800°cor morein 1°cincrementsfeedbacksystem: feedbacksystemforfurnacetemperaturecontrol, interlocksforwater, gas, temperature, furnacedoor, graphitetubedamage andmainspower.temp.programming upto 20 rdertemperatureprogrammingfacilitywithflexibilityofprogramselection, ramptime, gases, gasflowandreadtriggerforeachtemperature step.control computercontrolledwithappropriateprovisionforprintoutofthe furnace andsample parameters display calibrationdata / graphs, temperatureprofiles, signalgraphicsandthe instrumentstatus. memory memoryshouldbe ableto storeatleasttwenty fivenonvolatileprogrammes chiller cooling mode: compressor cooling, temperature controller: pid controller, temperature range: 5°c – 35°c, accuracy: ±1°c, cooling capacity: 1300w @25°c, pump pressure: =1.3bar, pump flow: =15litre / min, tank volume: 8 litre, tank material: stainless steel ss304, refrigerant: r134a size ( w*d*h ) : 360*450*653mm, power supply: ac220v, 50 / 60hz dataworkstation application softwareprogram facility with multitasking software shouldprovidecompletecontrolofinstrumentwithinstrumentstatusdisplayanditsvariousaccessories. provide accurate and reproducible time averaged, integration, non – averaged integration, multi level calibration. softwareshouldhandleinstrumentlinearabsorbancereading, concentration, oremissionintensity, integrationtime, built instatistics, calibrationequationcontrol, slopeofanalyticalcurveusingoperatorselectivecalibrationstandard built ininterfaceforcomputerconnectionanduseofoptionalaccessories. comprehensivequalitycontrolprotocolsfacilityincludingblank, multiplequalitycontrolstandards, qa / qcaudittrailandcalibrationfailure. computer system, make reputed brand, processor i5 10th gen, ram 8gb or advance.ssd 512, monitor 19”led, operation software: preloaded windows xp professional operating system with licensed cd or better msoffice2000standardwithmedia, manualandlicensedcdor better, preloaded antivirus with latest version along with licensed cd or better fume hoodexhaust fume hood made in stainless steel chimney with std 20ft ss304 powder coated exhaust pipe with inert centrifugal blower 1400rpm, ac 230v, with standard fitting installation hardware for installation. operation kit standardoperationkitincludingallrequireditems, tubings, fittingsforstartup / regularoperationofinstrumentsuchasgaspurificationsystem to be supplied with the system. operation / maintenance manual operation / maintenance manualforeachunit analytical manual analyticalmanualincludingapplicationsforflame, vgaandgraphite system operation and maintenance training one weektrainingto beprovidedtotwo scientiston softwaretraining, operation, maintenance andtrouble shootingaspectsof instrumentatthe timeof installation. , air conditioner : split ac with inverter swing compressor: streamer discharge & dew clean technology for healthy air capacity 1.5 ton: suitable for medium sized rooms ( 111 to 150 sq.ft ) 5 star: best in class efficiency copper condenser coil: better cooling and requires low maintenance key features cooling capacity @ 43°c: 100%; noise level: 38 db ( a ) ; ambient operation: 54°c special features: 15% higher iseer compared to base iseer ( 4.5 ) of 5 star ac; patented streamer discharge for healthy air; intelligent eye to adjust cooling according to human presence; triple display ( power consumption %age, set / room temperature & auto error code ) ; dew clean technology that cleans indoor unit coil with a press of button refrigerant gas: r32 environmental friendly no ozone depletion potential indoor unit, outdoor unit, remote control, user manual, warranty card & standard installation kit , bod incubator: floor standing, double doors .temperature range 5°c to 80°c with uniformity of ±0.2°c @ 10°c. microprocessor pid controller delivers superior temperature control accuracy, required for precise results. features and advantages include illumination lamp, caster wheels for easy mobility, digital timer . 175litres / 6.1cft, external chamber ms, internal chamber ss304, solid insulated door ( with glass & without glass ) w / lock door, stainless steel 5 shelves removable, caster wheels, humidity system, light system by interior illumination w / 3 fluorescent tubes, timer 0 99 hours for regulating cycles illumination condition, rfid enabled door locking system. brand name and model name must come in the display. , centrifuge: max speed: 15000 rpm speed accuracy : ±1rpm or ±1 x g temperature: 10°c to +40°c. possibility of precooling during standstill rotor type: angle rotor for conical centrifuge tubes. all rotors with lid and anti corrosion coating rotor capacity: 8 x 50 ml with max. rpm:~14000 rpm 8 x 15ml with max. rpm:~ 14, 000 pre selection of run parameters in terms of rpm timer range: pre selection of time from 30sec. to 10 hr. or continuous set time in hrs:min, min:sec, or continuous mode automatic rotor identification & imbalance sensor low vibration during the operation. extremely low noise during operation ( <66 db ) . with microcontroller for speed, time and temperature motorized lid lock and inter lock keys for start, stop and lid open power supply: 230 v / 50 60 hz , chns analyser : fully automated pc controlled elemental analyser for solid and liquid samples.the analyzer must be able to simultaneously determine the elements in the following combinations: chns, or chn, or cns, or cn, or nwithout a need to change column helium as carrier gas and option for argon as carrier gas in chns mode.sample weight range: 0.2 mg of organic compound to 800 mg or more inhomogeneous soildetection range: 0 to 100% for all elements ( c, h, n, s ) with the capability of measuringat least 10 mg absolute carbon in chns mode and more than 50 mg in cn mode standard deviation: ?0.1% of absolute. lower detection limit of < 50 ppm for n , c and s with thermal conductivity detector ( tcd ) dependingon sample weight. the instrument must fulfil the international and national safety standards. for safety reasons, theentire instrument including furnaces must internally operate on low voltage ( < 50 v ) . large dynamic measurement, range from 0.1 milligram, chemical substance to1 gram inhomogeneous soil, best analysis results for any sample matrix, wide variety of optional configurations, individually extendible, low and tool free maintenance, low noise level, low total cost of ownership, integrated 120 position auto sampler as standard, patented ball valve forblank free sample transfer. furnace system • should have two zone furnace system, separate for combustion and reduction with independent temperature control for each furnace in chns mode. easy slide out mechanism of furnace for routine maintenance work. it should be possible to set difference temperature for combustion and reduction. • controlled furnace temperature should be 1200 deg c or more. • easy ash removal without change of combustion tube by means of an exchangeable ash crucible. separation system • combustion gases in the form co2, h2o, n2 and so2 are separated by means of single temperature programmed desorption ( tpd ) column. detector system • oxygen intrusion free thermistor technology based temperature stabilized tcd detector for measurement of c h n s o auto sampler system • integrated 50 or more position automatic sampler having capacity to handle upto 1000 mg sample in each sampler holder position of carousel software • should be windows based and should have operating software with automatic calculation and statistical evaluation of sample results, automatic leak check, sleep / wakeup function, gas stop, service and maintenance support and weight transfer from external balance. • all instrument functions incl. gas flow and pressures must be digitally controlled for diagnosis and trouble shooting via the internet. consumables: to be supplied with consumables enough for 1, 000 sample analysis in chns / cns mode. necessary documents: • catalogue in original. • all technical specifications should be printed on the manufacturers catalogue / data sheet. , compound microscope : compound microscope ( 10x eye piece, objective with magnifying powers 10x, 40x and 100x oil immersion objective lens ( body monocular die cast body, inclinable upto a horizontal position ( 90° ) ; focussing by coarse & fine focusing knobs; eyepieces huygenian 10x and 15x; objectives hard anti reflection coated, colour coded par focal achromatic 10x, 40x, 100x, oil immersion; condenser built in sub stage condenser with iris diaphragm. branded, best quality ) , compoundtrinocular microscope with camera: trinocular head, eyepiece: swf 10x, u plan objectives of 4x, 10x, 40x and 100x, abbe 1.25 n. a. condenser with iris diaphragm, ceramic coated flat top stage, co axial coarse and fine focusing, led or halogen illumination with automatic voltage sending power supply, digital camera ( 5 mega pixels ) , fire wire cable, c mount adapter 0.7x and image analysis software with 4d experiment ability. , conductivity bridge : advanced microprocessor based design. brand name and model name must come in the display. conductivity and tds modes. automatic and manual temperature compensation auto ranging. 0 20?s / cm, 20 200?s / cm, 200 2000?s / cm, 2 – 20 ms / cm, 20 200 ms / cm, 200ms / cm 2000. multi point calibration. tds conversion factor from 0.40 to 1.00 cell constant adjustable from 0.1 to 10.0 temperature coefficient adjustable from 0 to 10% / °c normalisation temperature adjustable from 15 to 30 °c. bi directional rs232 interface. baud rate selectable from 1200, 2400, 4800 and9600. single and continuous print out of conductivity. multiple printout types. combinations selectable from sr. no., cond / tds, date, time and temperature. real time clock. temperature setting ( manual temperature compensation ) . calibration report as per glp requirements lcd touch screen display with backlight. memory storage of 100 measurements. data logging facility up to 500 results. data logging interval selectable from 5s, 10s, 20s, 30s, 1m, 2m and 5m. temperature calibration. , compound phase contrast binocular microscope : body: binocular, sturdy, stable base body with focus adjustment controls. eye piece: paired, high quality, achromatic, wide field, system complete with illumination system is required. objective: three objectives 10x, 40x, 100x. 10x and 40x objectives should have numerical apertures of 0.25 and 0.65 respectively.100x should have numerical aperture of 1.65. nose piece: revolving nose piece to accommodate a minimum of three objectives with click stops. it should be provided with ribbed grip for easy rotation mounted on a precision ball bearing mechanism for smooth and accurate alignment. stage uniformly horizontal, mechanical stage having dimensions of length 140 mm ( + / 20mm ) . the stage should be provided with spring loaded slide holder for exact positioning of specimen / slide. the stage should have ball bearing arrangement to allow smooth travel in transverse directions i.e. 80 mm ( + / 10mm ) and front to back direction, 50mm ( + / 10mm ) . the system should have a build in variable light source ( illuminator ) . this light sourceshould have a 50 w, 12 v halogen lamp. all consumables required for installation and standardization of system and microscopecover to be given free of cost. , desktop computer with accessories : corei5 11400 motherboard gigabyte h510mh , 16 gb ddr4 ram, 512 ssd, key board, mouse, 19”led colour monitor, bluetooth, cabinet, branded laser printer. , digestion hood for the laboratory : internal lining: suitable material for hf resistancelike upvc or pp internal size ( 1600x675x1250 mm : wxdxh ) ± 10%should supply with digital face velocity meter withalarm / low exhaust indicatorcold water service fixture ( inlet and outlet, pre plumbed ) for using distillationunit inside. tri wall construction for maximum robustness. u pvc / pp internal chamber. chain and sprocket sash support system. hood lighting is pre wired. lighting is electronically ballasted, energy efficient, instant start. typical light intensity on work surface is >1076 lux in zero ambient conditions. u pvc exhaust collar ensures superior chemical resistance. one gas service fixture pre plumbed internal electrical connection: two number ( 5 / 15 amp ) socket internal light fitting for proper illumination with external switches vertical sash: polycarbonate / toughened float glass ( acidresistant ) removable baffle / suitable mechanism for easycleaning, blower and duct: pp+frp – 250 mm diameter duct 20 feet in length 1 hp motor and reputed and standard company ( brand must be mentioned ) , 600 cfm minimum volume weather proof pp / motor housing. exhaust: pp+frp exhaust fan with chemical resistantimpeller system will be installed in first floor of laboratory block. stack height should beat least three meters above top roof ( two storey building ) shaping vanes increase airflow “sweep” at the critical area atthe sidewall to improve containment, especially when laboratorypersonnel walk fast in front of the hood. , electronic precession balance : maximum capacity [ max ] 200 / 2000 g minimum load 20 mg, readability [ d ] , 0.001 / 0.01 g tare range 2000 g, repeatability ( max ) 0.001 / 0.01 g repeatability ( 5% max ) 0.0005 / 0.005 g, linearity±0.002 / 0.02 g stabilization time2 / 1.5 s adjustment external physical parameters levelling system manual display lcd ( backlit ) delivery components balance, weighing pan, weighing pan shield, grounding foot ×1, foot ×3, power supply. weighing pan dimensions 128×128 mm packaging dimensions 470×380×336 mm net weight 3.2 kg gross weight 4.8 kg, protection class ip 43 , communication interface communication interface, 2×rs232¹, usb a, usb b, wi fi® ( option ) electrical parameters, power supply , adapter: 100 240v ac 50 / 60hz 0.6a; 12v dc 1.2a balance: 12 – 15v dc 0.4a max , environmental conditions operating temperature +10 — +40 °c. , environmental shaker :environment shaking incubator : salient features , programmable logic controller ( plc ) , 4.3 hmi with colour display and touch screen, password protected operation. , universal platform to accommodate vanous type of flask and test tube rack max ( 8x250ml ) .electronic capacitance type humidity sensor , direct display of temperature and humidity, display of set value and process value, unique air flow system ensures even distribution of temperature and humidity, precise control of temperature and humidity by using built in pid controller ( auto tuning type ) , forward and backward rotation programs and rpm 30 350, maintenance free brushless induction motor, variable frequency drive ( vfd ) permanently lubricated bearing for noise less operation, triple eccentric counter balanced drive mechanism for uniform agitation, castor wheel for ease of mobility adjustable levelling jack. , horizontal autoclave : 1.fully automatic micro processor based high pressure, high vacuum autoclave for sterilizing material including agars, sterilization of solution in open & closed bottles, disinfection of materials and waste decontamination. 2. should be front loading, have rectangular, horizontal chamber with well insulated jacket, chamber volume minimum 165 lit. 3. should have single vertical sliding door to have a pass through system. door should be electrically controlled having fully automatic function with multiple safety arrangements. sealing system should be based on silicone seal.4. should have at least 50mm thick insulation materials on jacket and in doors to ensure low thermal losses. working temp. of the door should be less than 45deg. c. 5. should be high grade stainless steel.6. should have a built in colousr touch screen.7. should have audio visual alarms in case of undesired situations. 8. should have programmable operators access level. 9. should have at least 10 pre programmed standard cycles plus 5 or more user programmable cycles and provision of chip card port for loading of new programs through chip cards.10. should have temperature adjustable from 25deg. to 135 deg. c. 11. safe working pressure range should be adjustable 12. should have complete monitoring of cycle operation and provided with at least two pressuresensors and two temp. sensors ( pt 100 ) in addition to analog for chamber pressure, jacket pressure and steam generator pressure indication.13. the unit should be equipped with multiple safety mechanisms for emergency stop over pressure safety valves for chamber and jacket, over temp safety, steam traps and electrical safety.14. the unit should include non fade built in thermo recorder for step progress values during the cycle with time and date and alarm condition if any.15. should have built in feature of water saving system for water conservation.16. should be supplied complete with high quality stainless steel trolleys and sterilization baskets: a. external trolley = 01 nos.b. internal trolley with steel roller c. shelves = 01 nos. and d. 2 sets of sterilization baskets. 17. all accessories & electric fitting to be included 18. three compulsory visits for calibration and check up irrespective of complaints in year.19. the steam generator should be also be made of aisi 316 ti steel & the steam generator should be equipped with automatic cleaning facility. 20. integrated waste water cooling, integrated water saving device. touch screen display, chip card reader and rs 232 interface. , hot air oven : capacity 250 litre, temp range: +5ºc to 250ºc. control accuracy: ±0.2ºc, uniformity: ± 2.0 at 100.0ºc minimum 3 no. of shelves with height adjustable in 25mm steps, glass window in built into the door for easy viewing of samples, automatic cut off of heater & blower when door opened, digital pid temperature controller with timer, alarms and auto tuning, aero dynamic internal design for achieving horizontal air circulation, solid and plain bottom without electrical, outer body made of g.i epoxy coated inner body made of stainless steel with clear bottom ce certified. brand name and model name must come in the display. , hot plate : size 420 x 320 x 130 mm ht. ( total height with feet ) weight 9 kg, voltage 230v ( 50hz ) , temperature 250°c maximum uniformity + / 2°c.temperature rise 6°c per minute temperature drop 1°c per minute, the hot plate should be able to control the temperature within + / 2°c, temperature should be uniform throughout the hot plate surface. 6. there should be rims around the edges of the hot plate for safety, power 2200 w, approx. 9.6 amp in 230v, material pfa coated graphite. , laminar air flow chamber : microprocessor controlled system with motorised door. type of airflow: horizontal full password protected operation. 70% of air should be recirculated to the cabinet work area through hepa filter and the 30% balance should be exhausted through hepa. the balance should be dynamic to ensure the 70 / 30 recirculation / exhaust air the instrument must have hepa filters on down flow as well as exhaust with an efficacy of 99.99% for particles sized of calibration certificates along with dop test report shall have to be submitted at the time of supply of instrument ) the dimensions of the working chamber should be in the following range: length: 90 120 cm , width: 40 60 cm , height: 50 80 cm . the main body and working chamber of the cabinet should be made of stainless steel, rigid and rustproof with removable trays the cabinet should have an electrically operated sliding front sash made of safety ( uv ) glass with a provision for manual operation of the sliding front window. also, the sliding front sash should have true air and aerosol tight electrical shahs. front door: clear transparent sturdy material work chamber should be fitted with a fluorescent lamp for illumination and should have programmable uv light cycle. the unit should have microprocessor control keys with large icons and a large graphical display with provision for the permanent display of the following key cabinet conditions. i. inflow and down flow air velocity ii. exhaust and recirculated airflow volumes iii. time and date iv. residual lifetime of filters & total time of cabinet operation ( optional ) alarm notification in the following situations: i. low inflow velocity ii. low down flow air velocity iii. hepa filter life iv. alarms for clogged filters v. other malfunction compatible at a power supply of 220 v, 50hz noise level: < 65 db basic cabinet should be termite and insect resistant and washable accessories: manometer, gas inlet, castors the cabinet should be with a stand with lockable castors brand name and model name must come in the display. , multimeter with ion selective electrodes for water quality testing : colour capacitive touch screen with software control facility. can store 2000 sets of test data, which can be saved and transferred to usb memory stick and opened with excel. power: universal ac adapter and with rechargeable lithium battery ( included ) . concentration range: ( 0~19990 ) , can switch 6 kind of concentration units: ug / l, mg / l, g / l, mol / l, mmol / l, ppm. concentration resolution: 4 significant digits ( expressed in scientific notation ) can be operated through 5 amp plug and battery. accuracy: ±0.1mv or 0.03% temp range: ( 0? to 100? ) accuracy: ±0.1? output through usb / bluetooth battery life 1000 hour. type: lithium battery. ise fluoride, chloride , bromide, ammonia, brand name and model name must come in the display. , mechanical shaker: compact bench top microcontroller based shaker with temperature control range from ambient +5°c to 60°c , ergonomicallydesignedwithminimalfootprint triple eccentriccounterbalanceddriveforuniformagitationwith 25mmshakingorbitmaintenance freepermanent ( self ) lubricatedshieldballbearingsfornoiselessoperationfrpexteriorwithanti vibrationmountforsmoothrunning preciseshaking speedcontrolwithgentlestart / stopcycle, preventingspillagepowerfulpermanentmagnetdcdrivewithdigitalleddisplayofspeed pulsewidthmodulation ( pwm ) basedspeedcontroloptionaltimerfunctionforspeed autore starttosetspeedafterpoweroutage universalplatformtoaccommodateerlenmeyer, roundbottom, volumetricflasks, testtube holdersµplateholders hasautorestartfunctionafterpowerinterruptionwithnonvolatilememory ( retainsetparametersafterpowerfailure ) orbital shaking with orbit diameter of 25 mm, speed 20 450 rpm with accuracy of ± 2 rpm, led display , universal platform and clamps to hold flaskscapacity 100ml 64nos or 1000ml. 16nos, tray dimension : 450 x 450 mm, noiseless operation, operational voltage 220 ± 20v, 50 hz, should meet ce standards , mechanical soil auger : soil auger sampler : made of iron : screw type, one meter long with handle :size : 2.5 cm. dia , microprocessor based flame photometer : alphanumeric graphics lcd ( 240x 128 dots ) brand name and model name must come in the display microcontroller based na, k, li, ca& ba auto ignition gas leak sensor auto gas cut off. pass word protection. separate logging for guest and administrator quadratic curve fitting rtc high quality compressor software na minimum concentration without dilution 2 ppm and 0 200 meq / l with 1:100 dilution ba can be measured upto 3000ppm without dilution in higher concentration mode and 500ppm at lower concentration mode. caupto 250 meq / l with 1;100 dilution bandwidth 10nm curve fitting accuracy ±2% f.s pc link software to send data to pc. gas cylinder and regulator must be supplied. product must be ce certified and company should bear iso certification. brand name and model name must come in the display. , microtomy : section thickness range: 0.25 60 ?m trimming thickness range: 5 500 ?m resolution: 0.25 for 0.25 1 ?m 0.5 for 1 5 ?m 1 for 5 20 ?m 2 for 20 30 ?m 5 for 30 60 ?m resolution: 5 for 5 10 ?m 10 for 10 100 ?m 20 for 100 200 ?m 50 for 200 500 ?m knife carrier retraction during return travel of the specimen: 60 ?m horizontal feed range of the knife carrier: max. 28mm vertical specimen stoke: max. 64mm specimen size: 55 x 50 mm specimen orientation: x and y axes: universal 8º z axis: up to 360º , microwave digestion system : large furnace cavity design with completely independent intellectualproperty rights, 1~6 100ml ultra high pressure digestion tanks can be placed at the same time; industrial grade 1000w magnetron. temperature and pressure dual measurement and control, precise control, active prevention of over temperature and over pressure, maximum working pressure: 6mpa, maximum withstand temperature: 300°c, maximum working temperature: 250°c high precision anti interference pressure sensor adopts double explosion proof control mode to directly measure the actual reaction pressure in the digestion tank, the pressure measurement range is 0~10mpa, and the pressure measurement accuracy is 0.01mpa; insert high sensitivity platinum resistance temperature sensor, directlymeasure the actual reaction temperature in the digestion tank, the temperature range is 0~300°c, and the temperature measurement accuracy is ±0.1°c; it can measure and control the pressure and temperature in any reactiontank, and the 7 inch high definition camera display accurately shows the chemical reaction process; equipped with perfluorination digestion tank or ft double layer digestion tank: ptfe digestion tank is made of ptfe ( polytetrafluoroethylene ) , and the sheath is made of high strength explosion proof aerospace composite. the fiber material is made by one time die casting, high temperature resistance, high pressure and strong acid corrosion resistance; easy disassembly and assembly, fast cooling; double venting protection and digestion tank for venting holes and sealed bowls; up to 6 ultra high pressure digestion tanks can be placed at the same time; the furnace cavity is ventilated with acid resistance, large air volume centrifugal fan, and the exhaust air volume is 5m3 / min; specially designed self locking ground moving safety door to resist accidental explosion and microwave leakage. tank technical parameters: the pressure resistant jacket material is a hydrophobic high strength pressure resistant composite fiber material, which is explosion proof and supports washing and easy to clean. the inner tank adopts imported modified polytetrafluoroethylene ( tfm ) , high strength frame type closed ultra high pressure reaction tank: the highest withstand temperature =300 °c. explosion proof membrane automatic pressure relief and peek compressionmodule pressure relief safety design to ensure the safe operation of the instrument. the whole tank pressure monitoring system, the threshold value can beadjusted. using high strength engineering plastics for one injection molding, independent ultra high pressure digestion tank holder. tank 6pcs, power ac220v / 50hz / 10a, microwave frequency 2450 ( mhz ) , microwave output power 1000 ( w ) , microwave cavity 45 ( l ) , protective spraying pfa, control heating method pid, temperature ramp 1~50? / min, cooling time =25min, microwave leakage =0.3mw / cm2, temperature control range 0~300?, temperature control accuracy 0.1?, pressure control range 0~10mpa, pressure accuracy 0.01mpa, outer tank material peek, inner can material tfm1700, highest temperature resistance 300?, operating temperature 250?, highest pressure 15mpa , microwave oven : convection microwave oven with ceramic enamel cavity 21l ( 1. capacity: 0.7 cu.ft. / 21 ltr., 2. heat source: convection 3. power: power consumption ( microwave ) 4.1200w 5. power source: 230v / 50hz 6. output power ( max ) : 2350w 7. powerlevel:6 8. display type: led bar 9. control method: membrane 10. door opening type: handle 11. microwave distribution: turntable 12. cavity interior :ceramic enamel ) , millipore water purifier : parameter value or range pressure 2 – 6 bar flow rate > 10 l / min at 2 bar feed water type potable water temperature 5 – 35 °c conductivity 10 – 2000 ?s / cm at 25 °c ph 4 – 10 hardness ( as caco3 ) < 300 ppm silica concentration <30 ppm carbon dioxide concentration ( co2 ) < 30 ppm langelier saturation index ( lsi ) < 0.3 fouling index ( fi5 ) or silt density index ( sdi ) = 7 ( * ) total organic carbon ( toc ) < 1 ppm free chlorine < 1.5 ppm typical water quality measures with a well designed and maintained distribution loop of 20 meters: flow rate pressure 5 lpm / 1.32 gpm 2.2 bar / 32 psi 15 lpm / 3.96 gpm 1.9 bar / 28 psi20 lpm / 5.28 gpm 1.6 bar / 23 psi plumbing connections inlet ( feed water connection ) 3 / 4 bsp loop start / return 1 1 / 2 sanitary tc drains 3 / 8” lab water purification systems type 2 ( pure ) , muffle furnace : controller: should be microprocessor based & at least 8 segment programmable or equivalent controller with necessary safety features. programmable temperature ( pid controller ) controller with heating rate control from 10?c / min to 40?c / min. ( fast heating rate would be preferable ) , heating element :kanthal a1 and backed by high temperature ceramic insulation , safety: over temperature protection& over load protection ( safety controller ) should provided. door safety switch must be provided so that it disconnects power supply to heating element when door opens. should be equipped with digital over temperature protection circuit to fail safe in the event of a controller malfunction , critical electronics component and heating elements protected by a 35a circuit breaker., weight : less than 100 kg , two set of operation and maintenance manual should provided. , ph meter : supply of bench top, digital ph meter along with all its accessories and spares required brand name and model name must come in the display. to operate the instrument as per specification given below: the direct reading laboratory ph meter ( digital ) operable at 230v + / 10v a.c., 50 hz powersupply with necessary cable connections and other standard accessories required for smoothoperation. measuring range resolution accuracy ph range 0 to 14 ph ( min. ) 0.001 ph ± 0.002 ph mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2, rel. mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2 temperature mtc 10.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c, temperature atc 5.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c, temperature compensation : it should have both automatic and manual temperaturecompensation touch screen display , parameters likeph, temperature, mv, date & time etc. ingress protection level : it should be ip54 complied protection level.power requirements : it should be operable with 9 12v / 10w dc adapter. storage of instrument : it should be able to stored in temperature of 5 to 40 °c and relative humidity of 5 to 80% ( non condensing ) glp compliance : it should be glp complied .to improve the reproducibility, it should allow to choose from at least three endpoint criteriaaccording to our requirements.the electrode holder should move in a perfectly vertical way, making it easy to place the sensor in the perfect position i.e. vertically in the measurement beaker. it should be able to connect peripherals via usb and rs232, increasing its possibilitiessignificantly. export of measurement data and calibration data should be possible to usb stickto direct pc software whenever required by us. it should allow monitoring of limits of parameter ph by giving a warning message when the value falls below or exceeds the predefined limits. it should have facility not to delete of data and changing of settings in routine mode. hence it required to be pin protected for login, deletion of data, system settings etc. it should have choice of endpoint formats like automatic, manual and timed. it should have choice of ph decimal places like x.y, x.yy & x.yyy ( up to one, two andthree decimal places. ) it should have data storage up to 1000 measurements ( min. ) it should have ph sensor input through bnc connector with impedance of more than 3 x 1012o . it should have temperature sensor input. it should be able to show the quality of last calibration on its screen. , precision drier : capacity, material and construction: cap:3ltr / h evaporation rate. suitable for aqueous feed solution. laboratory scale model. external body –ss316. drying chamber and cyclone in full ss 316l construction. total construct size: 1200 x 1300 x 2000 mm ( ±10% dimesional tolerance ) , self supported on castor / wheels ( compressor size is extra ) . weight: max 130 kg ( ±20% ) ( compressor weight is extra ) chamber: chamber size: diameter 280 350mm, length 600 1000 mm, with conical bottom. feed pump: variable speed gearless peristaltic pump with dual teflon rollers and precise speed control. feed pump should be of repute make preferable watson marlow / miclin / flowtec or equivalent. silicon tube for feed. pump should be controlled through plc and manually as well. spray system and nozzle:moc for two fluid spray nozzle: 316l variable aperture nozzle of 0.7mm.other sizes such as 0.5 / 1.0 / 1.2 / 1.5 / 2.0 / 2.5 mm may be available. auto de blocking system for spray nozzle which will be fitted on nozzle controlled through a de blocker timer. an additional spray aperture for future use should be included. nozzle geometry and design must be submitted with a tender document. desired output particle size range 20 45 micron, compatible with ceramic slurry also. controller and display: plc based operating system with a multi touch colour, interface, 9” hmi with data logging, online trends, recipe functionand ability to store recipes and recall for ease of use. plc of repute make such as siemens, delta or equivalent etc. thesystem should have an audio visual alarm for a. inlet temperature, outlet temperature and atomization pressure. thesystem should have parameter control and safety interlock. inlet / input air temperature / / temperature range: ambient to minimum 260 degrees c, variable and selectable aspirator airflow:max. 150 cum 3 / hr with vfd for motor control of repute make such as delta, fuji or equivalent air heater:electrical heater with minimum 6.0kw capacity inlet filter:combination type ( pre + hepa ) for pre filtering environment air to keep most impurities and particles away from the spray drying process, outer filter assembly: mainly to protect aspirators from fine particles. it should include spun bound polyester cartridge with ptfe coating. efficiency 1micron down to 99.99%.compressor: oil free air compressor piston type with min. 20l air reservoir 1hp power supply: single phase, compatible with indian standard , quartzdouble distilled water plant: all quartz, material of distillation unit shall be made of high purity electronic grade transparent quartz only, heaters: demountable boiler panel with compact design of boilers & condensers easily mountable for cleaning and maintenance with spiral heaters, electrical requirement: 230 250 volts 10 / 50hz, single phase, dist. water output capacity ( ltr / hr ) : 2.5 ltrs / hr, total power consumed 4.4 kw, conductivity ( ?s / cm ) : <1*10 6, distillation units type vertical, biological activity pyrogen free, double stage glass ( quartz ) distillation units yes, double wall condenser quartz, cooling water consumption ( ltr / hr ) 2 ltrs / min, boiler quartz, demountable model and should be connected with rubber tumbling and pinch cock for cleaning sediments in primary boilers and must be ce / iso certified.primary boiler provided with o ring accessories distillation apparatus power supply ( daps ) : the unit provides for automatic working of distillation unit by switching off the heaters in case water level falls below the heating coil, there by safeguarding the heaters. the unit resumes distillation when water level is restored. the unit also comes with buzzer. apart from the above features, dual cut off: the dual , quartz single distilled water plant: all quartz, material of distillation unit shall be made of high purity electronic grade transparent quartz only, heaters: demountable boiler panel with compact design of boilers & condensers easily mountable for cleaning and maintenance with spiral heaters, electrical requirement: 230 250 volts 10 / 50hz, single phase, dist. water output capacity ( ltr / hr ) : 2.5 ltrs / hr, total power consumed 2.2 kw, conductivity ( ?s / cm ) : <1*10 6, distillation units type vertical, biological activity pyrogen free, single stage glass ( quartz ) distillation units yes, double wall condenser quartz, cooling water consumption ( ltr / hr ) 1 ltrs / min, boiler quartz, demountable model and should be connected with rubber tumbling and pinch cock for cleaning sediments in primary boilers and must be ce / iso certified. distillation apparatus power supply ( daps ) : the unit provides for automatic working of distillation unit by switching off the heaters in case water level falls below the heating coil, there by safeguarding the heaters. the unit resumes distillation when water level is restored. the unit also comes with buzzer. apart from the above features, dual cut off: the dual cut off switches off the heater even when there is no cooling water supply to the condenser. , refrigerator : frost free refrigerator : auto defrost function to prevent ice build up capacity 253 ltrs : suitable for small families and bachelors | freezer capacity: 69 ltrs fresh food capacity: 184 ltrs digital inverter compressor – enjoy greater energy efficiency, less noise and a long lasting performance. it automatically adjusts its speed in response to cooling demand shelf type: spill proof toughened glass shelves with easy slide special features: easy slide shelf, door alarm, inverter, temperature control, cool pack, stabilizer free operation ( 100 ~ 300 v ) key feature : all round cooling for even cooling corner to corner | power cool enjoy rapid cooling performance | moistfresh zone preserve the freshness and flavor of fruit and vegetables for longer | interior led light | moveable ice maker | tall bottle guards | recess door handle | fresh room | deodorizer | r600a refrigerant , refrigerator temperature control : the upright freezer type comes with an abs make interior. its outer body is a painted steel board, the door comes with a handle and a safety lock on it, there are casters provided for easy handing, its inner drawers are made of plastic control system : uses a microprocessor based temperature controller • the temperature control range is adjustable between 10°c to 20°c • it has a digital temperature display, equipped with audio such as: high or low temperature alarm, chamber volume 270ltr, chamber dimensions 800x500x500 outer dimension 1060x695x792 input voltage 230vac 50hz , semi automatic nitrogen protein analyzer : analyzer should be semiautomatic system consisting of a digestion unit, a scrubber unit, and a distillation unit. digestion unit: automated with integrated programmable control, should have electrically heated ( 230 ± 10 volts, 50 hz ac ) metal blocks. it should be capable of providing a temperature range from 100°c 440°c with ±10°c repeatability. should have inbuilt temperature controller with digital display and led display along with manual temperature adjustment. heating time setting with steps from 1 150 minutes should have the capacity to accommodate at least eight numbers of digestion tubes each of at least 250ml capacity , should have leak proof integrated condensers ( fumes carriers ) made up of glass, fixed on a movable panel along with adopter for outlet to the scrubber unit. proper digestion exhausts system. scrubber unit should be an oil free centrifugal suction type, with manual vacuum adjustment facility. corrosion and impact resistant provided with condensate and acid fumes collection vessels. should operate on 230 ± 10 volts, 50 hz, ac power supply. distillation unit fully programmable distillation unit including sample dilution, alkali and receiver addition, distillation and tube draining facility. validated procedure / certification for tkn distillation like aoac, epa, din, iso etc, should be made up of standard quality borosilicate glass. should possess a steam generator made up of borosilicate glass along with heater and have 3 step manual control facility i.e. standby, water inlet and distillation. should have inbuilt bellows pump for accurate reagent ( alkali / acid ) dispensing. should have ventilation valve. should have timer for 5 15 minutes with audio signal. steam inlet tube should be of ptfe. unit should have quick clamping device for digestion tube with adaptor. should operate on 230 ± 10 volts, 50 hz, ac power supply. complete unit shouldprovided with one set of digestion tubes along with the servicing, operating and maintenance manuals. can able to monitor and measurement of distillate temperature. self adjusting cooling water control facility safe feature for safe distillation. can be upgradeable whenever required accessories: 2 set of digestion tubes, digestion tube stand, spillage tray for the condensers, tube removing device , soxhlet’s apparatus : body constructed in ms epoxy coated finish , featuring use of mantle type heaters that comes with support of energy regulator, capability to handle 6 tests, can handle flasks of 250ml capacity, supplied withsupport of clamps as well as rubber tubing, works on electric supply of 220 / 230 volts, 50 / 60 hz ac, suitable to heat soxhlet flasks of 250ml , top loading balance: maximum capacity ( or ) range of the balance80 90 / 220 gm readability 0.01 mg ( 0.00001 gm ) / 0.1 mg ( 0.0001 gm ) tarring range 0 – 220 gm display backlit graphics display / lcd with touch screen operation. repeatability ( standard deviation ) 0.03 mg ( small range ) / 0.10 mg ( large range ) , linearity ±0.20 mg / ±0.10 mg, eccentric load 0.30 mg, calibration adjustment with internal weights, fully automatic calibration technology with temperature controlled, data memory function for keeping weighing data & calibration history data, 10 sensitivity drift ±2ppm / °c ( when automatic self calibration is not used ) stabilization ( typical and fast ) approx. 4.0 sec ( 0.1mg ) / 15 sec ( 0.01mg ) , size of weighing pan ~ 80 90 mm, shielding glass draft shield with flexible configuration protective cover for the terminal, replaceable feed through for weighing below the balance, power supply to be operable with 230 v ac, 50 hz power supply. accessories power supply cable with all accessories for operation, operating & service manual 2 sets ( of hard copies ) with calibration certificate of the balance. soft copy of instrument operating manual to be sent during the time of installation, interface standard bi directional rs 232 interface, dust cover one. , ups for the laboratory : 10kva 192v 8kw online ups , 16nos external battery module with iron rack, ups / automatic bypass facility, true double conversion online ups, microprocessor control for higher reliability. pure sine wave.input power factor correction. wide input voltage range ( 110 v – 300 v ) . generator compatible, selectable charging current allows flexibility to add any battery size, emergency power off , uv visible spectrophotometer : double beam ( 185 1100nm ) spectrophotometer with standalone colour lcd display with pc controlling software optical system: double beam, diffraction grating minimum 1800 lines / mm, scan speed :6000nm / min, 8 position sample holder, photometric details range must cover from 4 to + 4, bandwidth variable ( 0.2nm 6nm ) stray light < 0.05% t @ 220, 340 ( must cover less than 370nm ) , baseline flatness must cover + 0.006a, detector photodiode / single photodiodes / dual silicon photodiodes, power 240+ 10%, 50 60 hz, light source xenon flash lamp, wavelength details , accuracy must cover 1.0nm, measuring modes absorbance, transmittance ( % ) , concentration, operating modes: single wavelength, multiple wavelength, time scan, data presentation display analysis results and graphic data on screen, pc link software, port to data transfer, supplier should provide service for installation, demonstration, training for all operation procedure, temperature range operating conditions should cover +10 degree c to 40 degree, analytical quality assurance instrument should have internal quality assurance tools, certification must comply ce certificate. accessories: quartz cuvettes: 50mm length, 10mm, 20mm path length ( each 2 pairs ) , original catalogue to be enclosed. dedicated branded pc to be quoted with the system .should have manufacturer’s service centre in west bengal and details location to be mentioned in the quotation.. , vertical autoclave : quality systems for medical devices built: • floor standing vertical type top loading autoclave • outer dimensions: width 75 87 cm; height 90 110 cm; depth 65 80 cm software control:• fully microprocessor based proportional integral differential ( pid ) pressure control• controller and software should comply with international standards such as 21 cfr part 11 or any other equivalent.• should have facility to store identification codes and password codes for access level control• built –in memory to store number of cycles sensors:• should have in built platinum resistance temperature detector with a typical resistance of 100 o at 0°c that complies with international standards of safety requirements for electric equipment for measurement control and laboratory use, eg. iec61010 1, iec 61010 2 040 • option to connect additional temperature sensors and pressure sensors should be available display:• user interface should: • be easy to operate• have digital display enabling visualization of stage of the cycle, set and process temperature, pressure and quick access to important information • preferably have graphical display of temperature and pressure• have notification for replacement of filters after appropriate number of runs performed. chamber volume: should be not less than 100 litres and preferably should be 150 180 litres in capacity. suitable number of basket for bottle, vessels or agar media preparation should be quoted along with the instrument.chamber material: should be long lasting, made up of 316ti grade stainless steel of asme / ul grade chamber pressure: chamber should be designed to withstand at least 2.8bar / 142°c and should meet, european pressure equipment directive ( ped 97 / 23 / ec ) .2 | 2 chamber heating: should be heated uniformly by a heating plate on the outer wall with heater of suitable wattage for quick heating.chamber insulation: chamber should be completely insulated with chloride free glass wool. sterilization temperature range: 105°c to 137°c with accuracy of ± 0.1 deg c at 121 deg c & an additional isothermal temperature range of 60°c to 105°c. should have feature minimizes the time liquids are exposed to high temperatures during sterilization thereby protecting liquid media, saving laboratory time and reducing energy consumption. biohazard and waste management system: should have the facility to filter air removed from chamber before sterilization that isuseful for sterilization of biohazard waste.safety: • water level monitoring and maintenance of constant level for safety of heaters. • a safety device to prevent opening the door when the chamber is pressurized. • prevent starting of runs if doors are improperly locked.• safety feature should allow opening of doors only when the temperature reaches a pre set temperature and pressure reaches atmospheric pressure.power requirement: a suitable size of electrical switch gear 3 phase 440 volt with earthing andrecommended size of current capacity mccb will be made available on wall at appropriate place. other connection and installation has to be done by the supplier. , hydrometer , keen boxes , aluminium box , brass sieve , mortar and pestle , different types of augers: , screw type , post hole type , dutch type , stirrera. magnetic b. electric , khurpi , electric heater , room thermometer , gps machine , camera , lcd projector...

Directorate Of Purchase And Stores - West Bengal

33350964 supply of ofhc copper gasket , dn100cf ofhc copper gasket ( will be used to make joints with conflat ( cf ) type stainless steel flanges for high vacuum application ) detailed technical specifications as per attached annexure 1 and annexure 2...

Indian Institute of Engineering Science and Technology - West Bengal

29524638 supply and installation of vacuum chamber pumps and associate accessories ( 1 set ) for alpha spectrometer suitable for rbs measurements. , procurement of , high vacuum chamber as per sketch and detail mentioned …………..as pernit , two stage oil sealed rotary vane pumps with outlet mist filer …………..as pernit , digital pirani gauge with single gauge head, 2m cable connecting cable. , kf25 – kf25 manually operated right angled valve aluminum body, ss316l for bellow, techno polymer for knob, sealing o ring : plate seal: vton bonnet seal: viton , feedthrough type : bellow, leak rate : = 1 x 10 9 mbar l / s , operating pressure : atmosphere to = 1 x 10 7 mbar. , kf16 – kf16 manually operatedright angled valve aluminum body, ss316l for bellow, techno polymer for knob, sealing o ring : plate seal: vton bonnet seal: viton , feedthrough type : bellow, leak rate : = 1 x 10 9 mbar l / s , operating pressure : atmosphere to = 1 x 10 7 mbar , one number bulkhead mount hermetically sealed bnc female to bnc female adapter should me mounted on iso 63 f type flange center. , iso 63 f ss glass view port ( o ring sealed ) compatible high vacuum application. , iso 63 f typess blank off , stainless steel kf 25 flexible hose1.5 meter, , kf16 to kf25 adapter , kf25 clamp +kf 25 cantering+ viton o ring , kf 25 blank off + kf25 clamp +kf 25 cantering+ viton o ring , kf16 clamp +kf 16 cantering+ viton o ring , detector mounting stand should be slid 8mm wide and 8mm depth channel, center height 125 mm from chamber bottom. detector model: bu 014 050 100 ultra ion implanted detectors with b mount, make: ortec, active area 50 mm2, minimum depletion depth 100 ìm , target mounting stand should be slid 8mm wide and 8mm depth channel, center height 125 mm from chamber bottom.dimension: 2cm*2cm with center hole of dia 1 cm. target will first mounted with a dummy target holder of same dimension and then attach with the target holder through screw. , source mounting stand should be slid 8mm wide and 8mm depth channel, center height 125 mm from chamber bottom. source holder with collimator. max dia 3 cm with the option to reduce the dia as per source dimension. , bnc plug to micro dot cable assembly using vacuum compatible coaxial cable, length 400mm....

Ministry Of Finance - West Bengal

29158825 bids are invited for high vacuum suction machine for medical purposes , dental examination chairs , wheel chairs rev 1 , phototherapymachine for sncu , clinical incubators or infant warmers total quantity : 30...

Jadavpur University - West Bengal

28806952 supply and installation of high vacuum annealing unit with turbo molecular pump under dst serb research project at department of instrumentation science , equment , high vacuum annealing unit with turbo molecular pump...

Indian Institute of Engineering Science and Technology - West Bengal

28618565 supply and installation of vacuum chamber, pumps and associate accessories 1 set for alpha spectrometer suitable for rbs measurements. , procurement of , high vacuum chamber as per sketch and detail mentioned …………..as pernit , two stage oil sealed rotary vane pumps with outlet mist filer …………..as pernit , digital pirani gauge with single gauge head, 2m cable connecting cable. , kf25 – kf25 manually operated right angled valve aluminum body, ss316l for bellow, techno polymer for knob, sealing o ring : plate seal: vton bonnet seal: viton , feedthrough type : bellow, leak rate : = 1 x 10 9 mbar l / s , operating pressure : atmosphere to = 1 x 10 7 mbar. , kf16 – kf16 manually operatedright angled valve aluminum body, ss316l for bellow, techno polymer for knob, sealing o ring : plate seal: vton bonnet seal: viton , feedthrough type : bellow, leak rate : = 1 x 10 9 mbar l / s , operating pressure : atmosphere to = 1 x 10 7 mbar , one number bulkhead mount hermetically sealed bnc female to bnc female adapter should me mounted on iso 63 f type flange center. , iso 63 f ss glass view port ( o ring sealed ) compatible high vacuum application. , iso 63 f typess blank off , stainless steel kf 25 flexible hose1.5 meter, , kf16 to kf25 adapter , kf25 clamp +kf 25 cantering+ viton o ring , kf 25 blank off + kf25 clamp +kf 25 cantering+ viton o ring , kf16 clamp +kf 16 cantering+ viton o ring , detector mounting stand should be slid 8mm wide and 8mm depth channel, center height 125 mm from chamber bottom. detector model: bu 014 050 100 ultra ion implanted detectors with b mount, make: ortec, active area 50 mm2, minimum depletion depth 100 ìm , target mounting stand should be slid 8mm wide and 8mm depth channel, center height 125 mm from chamber bottom.dimension: 2cm*2cm with center hole of dia 1 cm. target will first mounted with a dummy target holder of same dimension and then attach with the target holder through screw. , source mounting stand should be slid 8mm wide and 8mm depth channel, center height 125 mm from chamber bottom. source holder with collimator. max dia 3 cm with the option to reduce the dia as per source dimension. , bnc plug to micro dot cable assembly using vacuum compatible coaxial cable, length 400mm....

West Bengal Power Development Corporation Limited - West Bengal

27950152 procurement of fine chemicals and laboratory items for chemical laboratory , btps , wbpdcl . procurement of fine chemicals and laboratory items for chemical laboratory , btps , wbpdcl . , procurement of fine chemicals and laboratory items for chemical laboratory , btps , wbpdcl . , 1 amino 2 napthol 4 sulphonic acid additional data: ar grade ; item code: m07 c03 00274 hsn: 29222130 , pyrogallol # additional data: ar grade; item code: m07 c03 00123 hsn: 29072990 , potasium hydroxide # # additional data: analytical reagent grade ; item code: m07 c03 00021 hsn: 28152000 , potassium iodide # # additional data: ar grade; item code: m07 c03 00203 hsn: 28276010 , liquid chemicals # hydrchloric acid , ar / gr / excelar , 2 . 5litre / pack# for hydrchloric acid; item code: m07 c03 00185 hsn: 28061000 , spetroquant copper test # range 0 . 02 6 . 0 mg / l , cu no of tests:250; item code: m07 c03 00239 hsn: 38220090 , spetroquant iron tests # range 0 . 005 5 . 00 mg / l fe2+ no of tests 175; item code: m07 c03 00237 hsn: 38220000 , glycerine for chemical analysis additional data: ar grade; item code: m07 c03 00302 hsn: 29054500 , solution , karl fischer # additional data: i ) one no . means one bottle which contains 500 ml i . e . 0 . 5 litre ] ii ) combicoulomat fritless kf reagent , make merck / germany . ; item code: m07 c03 00209 hsn: 38220090 , standard silica reagent; item code: m07 c03 00254 hsn: 28269000 , standard solution for phosphate 100ppm for standardisation of electronic analyser; item code: m07 c03 00317 hsn: 8503 , ferric chloride , hexahydrate for chemical analysis additional data: ar grade ; item code: m07 c03 00337 hsn: 2728 , ethylene di amine tetra acid # additional data: ar grade ; item code: m07 c03 00159 hsn: 29212100 , petrolium ether ar petrolium ether ( ar ) additional data: [ each bottle contains 2 . 5 litre ] ; item code: m07 c03 00124 hsn: 27101980 , toluene additional data: ar grade ; item code: m07 c03 00153 hsn: 29023000 , isopropyl alcohol / propan 2 ol gr # isopropyl alcohol / propan 2 ol ( gr ) ; item code: m07 c03 00032 hsn: 29051220 , sulphuric acid ar # sulphuric acid ( ar ) additional data: [ each bottle contains 2 . 5 litre ] ; item code: m07 c03 00016 hsn: 28070010 , tartaric acid , ar #; item code: m07 c03 00040 hsn: 29181200 , sodium disulphite / sodium metabisulfite # additional data: ar grade ; item code: m07 c03 00093 hsn: 28321010 , whatmann 42 filter paper ; item code: m07 c03 00388 hsn: 48232000 , ph indicater paper ( ph1 to 10 ) including colour scale; item code: m07 c03 00267 hsn: 38220090 , glass hydrometer cap 1000 1100 # # ; item code: m07 l01 00015 hsn: 90258030 , glass hydrometer cap 1000 1200 # # ; item code: m07 l01 00048 hsn: 90258030 , borosil 100 ml measuring cylinder ; item code: m07 c03 00372 hsn: 70179010 , beaker with spout borosil 1000 , 2000 ml # additional data: 1000 ml ; item code: m07 l01 00092 hsn: 70179090 , silicon high vacuum grease #; item code: m07 l01 00180 hsn: 39100010 , tongs , ss , large , 24# long with shield; item code: m07 l01 00236 hsn: 74199930 , tongs , ss , large , 12# long; item code: m07 l01 00359 hsn: 70179090 , beaker with spout borosil 100 ml # additional data: borosil make ; item code: m07 l01 00128 hsn: 7017 , conical flask 250 ml borosil; item code: m07 l01 00179 hsn: 70179090 , pipette , mohr , glass 1ml graduated for chemical analysis apparatus graduation interval: 0 . 01 ml additional data: borosil make ; item code: m07 l01 00280 hsn: 7017 , pipette , mohr , glass 2 ml graduated for chemical analysis apparatus additional data: borosil make ; item code: m07 l01 00265 hsn: 7017 , tissue paper #; item code: m07 l01 00175 hsn: 48181000 , analytical funnel dia 65mm stem length 75 / 80mm; item code: m07 l01 00120 hsn: 7017 , moisture dish , 40 cm2 area , dia 70 mm #; item code: m07 l01 00206 hsn: 70171000 , silicone pipe , od 12mm , id 8mm; item code: m07 l01 00361 hsn: 39233090 , pipette , volumetric , cap 1 ml additional data: borosil make ; item code: m07 l01 00091 hsn: 70172000 , pipette mohr graduated 1 / 10 x 2 ml cap ( pyrex glass ) ; item code: m07 l01 00090 hsn: 70179090 , pipette , volumetric 20 ml for chemicalanalysis apparatus additional data: borosil make; item code: m07 l01 00272 hsn: 7017 , volumetric pipettes 25 ml # additional data: borosil make ; item code: m07 l01 00004 hsn: 70172000 , funnel additional data: borosil glass make , chemical laboratory grade , 3 / 9 cm / 7 . 5 cm ; item code: m06 b01 00086 hsn: 70179090 , glass beaker 500 ml borosil # glass beaker 500 ml ( borosil ) ; item code: m07 l01 00055 hsn: 70179090 , glass beaker 250 ml borosil # glass beaker 250 ml ( borosil ) ; item code: m07 l01 00054 hsn: 70179090 , flask , erlenmeger , conical , narrow mouth borosil r , capacity 250ml ; item code: m07 l01 00080 hsn: 70179090 , separatory funnel holder #; item code: m07 l01 00013 hsn: 39269099 , volumetric flask , cap 250 ml; item code: m07 l01 00103 hsn: 70179090 , bottle wash 500 ml cap # additional data: polythene bottle ;item code: m07 l01 00109 hsn: 39233090 , volumetric flask 100 ml # additional data: borosil make ; item code: m07 l01 00118 hsn: 70179090 , volumetric flax with glass lid 500 ml # # additional data: borosil make ; item code: m07 l01 00057 hsn: 70179090 , polythene bottle narrow mouth 500 ml polythene bottle ( narrow mouth ) ( 500 ml ) ; item code: m07 l01 00149 hsn: 39233090 , round bottom flask , 500ml glass ( for chemical lab ) round bottom flask 500 ml capacity borosil make . additional data: borosil make ; item code: m07 l01 00355 hsn: 70179090 , round bottom flask 1000 ml glass ( for chemical lab ) round bottom flask 1000ml capacity borosil make additional data: borosil make ; item code: m07 l01 00356 hsn: 70179090 , separating funnel , cap 1000 ml separating funnel spherial rota flow screw cap 1000 ml additional data: borosil make ; item code: m07 l01 00100 hsn: 2807 , beaker , polythene , 250 ml ; item code: m07 l01 00181 hsn: 39269099 , rubber tube i . d . 5 mmxo . d . 7 mm # # ; item code: m07 l01 00017 hsn: 4013 , rubber tube id 7 mmxo . d . 8 . 5 mm # # ; item code: m07 l01 00053 hsn: 4013 , beaker glass 400 ml with spout graduated for chemical analysis apparatus ; item code: m07 l01 00264 hsn: 7017 , gst , if any...

Jadavpur University - West Bengal

27241784 supply and installation of high vacuum annealing unit with turbo molecular pump under dst serb research project at department of instrumentation science , equment , high vacuum annealing unit with turbo molecular pump...

Hindustan Prefab Limited - West Bengal

27101091 cssd equipments supplying , installation , testing and commissioning of cssd equipments for up gradation from 100 to 150 bedded esic hospital at asansol , west bengal . 1 horizontal rectangular high pressure high vacuum double door sterilizer. 2 the sterilizer will be manufactured as per is:no.3829 ( part 1 ) 1978 with isi mark. the unit will be designed for operating pressure 30 to 32 psi. and corresponding to a temperature of 134oc. nthe sterilizer chamber would be formed out of ss 316. the jacket will be formed out of mild steel. the jacket outer cover will be of ss 304. the sterilizer will be provided with 2 nos. pressure locking type hinged doors. the door plate will be of ss 316 with shooting bolts, flush mountings and steam generator will be of ss 304. the stand of the sterilizer will be of mild steel. nthe sterilizer will be automatic with plc with 5 pre sets programs and 1 variable program, mmi with dot matrix printer wherein date, time, load identification no. cycle selected, cycle parameter including time, temperature and phase etc. can be seen and documented. nfinally, the automation is so designed that once the program is selected then no further intervention is required from the operator till the end of the program. nthe sterilizer will also be provided with an intelligent transducer for heater protection nthe unit will be complete with vacuum pump and condenser and inter connecting piping. nsterilizer as above of chamber size 600 mm x 600 mm x 1200 mm depth ( 2’x2’x4’ ) suitable for electrical operation on 400 / 440 volts, 3 phase, ac supply, electrical load 21 kw. n n n 3 stainlesss steel 316 carriage suitable for rectangular sterilizer 4 stainlesss steel 304 trolley suitable for above carriage 5 s.s. control and packing table with drawer 6 table is used for separation, control and packing of various sets of sterilized goods for wards, clinics, operation theatres etc. and is designed for standing and sitting workers. a removable hatch made of laminated particles board is provided. the hatch contains a ss drawer and a laminated particles board plate. overall size: 2000mm l x 1400mm w 7 stainless steel work table 8 table is used for wet goods with undershelf. the table top is fabricated out of 16 swg ss 304 qlty. ground and polished to a smooth surface without high edge sections. the table top frame is a complete assembly with front, back and two ends welded together at corners. overall size 1500mm x610x890ht. 9 s.s. vertical sliding door 10 table is used for wet goods with undershelf. the table top is fabricated out of 16 swg ss 304 qlty. ground and polished to a smooth surface without high edge sections. the table top frame is a complete assembly with front, back and two ends welded together at corners. overall size 1500mm x610x890ht. 11 stainless steel work table with two sink 12 the bench top is fabricated out of 16swg ss 304 qlty. ground and polished with smooth surface and edge section. the top is designed to give a stable work surface. the table top frame is a complete assembly with front, back and two ends welded together. the sinks are made of stainless steel with inside ground and polished. each sink is provided with a drain valve and a strainer. on the bench top, just above the sinks mixer for hot and cold water connection is provided. overall size 2400mml x650mm wx900mm ht 13 washer disinfector 14 washer disinfector, single door, suitable for cleaning and disaffection of surgical instruments, anesthetic equipment, suction bottles, cleaning buckets, general circulation goods, dental tray and glassware with a fully closed process. nthe washer disinfector, fully automatic, has an advanced micro processor which controls all services, programming and statistic functions. for safety reasons the service and programming functions are coded. nthe door would be provided with interlocking system. nthe chamber is equipped with four spray arms which ensure good water penetration from all directions. various attachments are provided to suit the load to be washed. suitable dosage of detergent can be preset with the dosing pump. nthe provision of a double wall with insulation in between enables the washer disinfector to run with minimum sound and heat emission. nthe wash chamber, the inside the door, the pipework system and the circulation arms are made entirely of stainless steel. nsuitable for electrical operation on 400 / 440 volts, 3 phase, ac supply, electrical load 13 kw ncapacity of 275 ltrs. n n n n n 15 ultrasonic cleaner 16 ultrasonic cleaner of overall size 530mm l x 330mm w x350mm h internal dimensions: 505 x 300 x 200 mm, output frequency 35khz. capacity 30 litres. nthe ultrasonic cleaners are manufactured using solid state technology for the ultrasonic generator and pzt transducers for converting the electrical energy to mechanical vibrations in the cleaning liquid. nthe unit will be complete with a thermostat and a timer, insert basket for tank and tank cover. the unit is suitable for electrical operation on 220 / 240 volts, single phase, 50 cycles, ac supply. n n n n 17 drying cabinet with single door 18 digital timer controlled drying cabinet with single door suitable for easy and quick drying of instruments, utensils, glass wares and anesthetic accessories such as corrugated hoses, breathing masks, respiration bags and surgical instruments trays etc. nthe unit would be provided with digital display with countdown drying time and drying time selectors, temperature selector including indication of selected temperature. nthe system would have adjustable adjustment temperature range of 60 90oc. nthe system would have drying time range of 0 90 minutes. the system would take air from the work area and clean it by appropriate filter. nthe air is to be heated to an operator selected temperature by electric heating element. the system would also have an exhaust connection to vent outside. nthe unit would be provided with cassettes and protective shelves for instruments, hoses, bladders and catheters as accessories. nchamber volume 275 litres. suitable for electrical operation on 230 volts, single phase, 15 amps. electric load 3.6 kw. 19 stainless steel racks with 5 shelves, all sides open and stainless steel bullet feet. overall size 1830x535x1830mmh. 20 stainless steel table trolley with 2 shelves 21 stainless steel table trolley with 2 shelves is for use in the sterile goods store when batching sterile goods for delivery and also for short internal transport. the trolley is also suitable for use as a temporary storage or utility space at packing tables. the frame is mounted on 4nos. heavy duty swiveling castors for easy movement in narrow passages. overall size 1080x530x800h 22 single distilled water still 23 single distilled water still, generally as per the barnstead type. the still is guaranteed to produce pyrogen free and chemically pure water to comply with ip / bp standards. nthe still will be manufactured as per “is:no.3830” and it will also bear the bureau of indian standard certification mark. nthe evaporator, the multi baffle and the condenser will be made out of stainless steel with the joints welded. the condenser will be provided with stainless steel tubes, water inlet and outlet connection. nthe water still will be supplied in a ready to use condition mounted on a suitable stand. nwater still as above of capacity 20 litres, per hour suitable for electric operation on 400 / 440 volts, 3 phase ac supply, electrical load being 15 kw. 24 stainless storage tank, electric load 6 kw., capacity 120 litres. 25 spray gun rinser attached with ss working table & ss sink 26 spray gun rinser with attachments is used for cleaning syringes, catheters, endoscopes, cystoscopes and variety of other instruments and articles used in sterile services....

Hindustan Prefab Limited - West Bengal

26678808 supplying , installation , testing and commissioning of cssd equipments for up gradation from 100 to 150 bedded esic hospital at asansol , west bengal . 1 horizontal rectangular high pressure high vacuum double door sterilizer. 1 nos. 2 2 the sterilizer will be manufactured as per is:no.3829 ( part 1 ) 1978 with isi mark. the unit will be designed for operating pressure 30 to 32 psi. and corresponding to a temperature of 134oc. nthe sterilizer chamber would be formed out of ss 316. the jacket will be formed out of mild steel. the jacket outer cover will be of ss 304. the sterilizer will be provided with 2 nos. pressure locking type hinged doors. the door plate will be of ss 316 with shooting bolts, flush mountings and steam generator will be of ss 304. the stand of the sterilizer will be of mild steel. nthe sterilizer will be automatic with plc with 5 pre sets programs and 1 variable program, mmi with dot matrix printer wherein date, time, load identification no. cycle selected, cycle parameter including time, temperature and phase etc. can be seen and documented. nfinally, the automation is so designed that once the program is selected then no further intervention is required from the operator till the end of the program. nthe sterilizer will also be provided with an intelligent transducer for heater protection nthe unit will be complete with vacuum pump and condenser and inter connecting piping. nsterilizer as above of chamber size 600 mm x 600 mm x 1200 mm depth ( 2’x2’x4’ ) suitable for electrical operation on 400 / 440 volts, 3 phase, ac supply, electrical load 21 kw. n n n 3 3 stainlesss steel 316 carriage suitable for rectangular sterilizer 1 nos. 4 4 stainlesss steel 304 trolley suitable for above carriage 2 nos. 5 5 s.s. control and packing table with drawer 1 nos. 6 6 table is used for separation, control and packing of various sets of sterilized goods for wards, clinics, operation theatres etc. and is designed for standing and sitting workers. a removable hatch made of laminated particles board is provided. the hatch contains a ss drawer and a laminated particles board plate. overall size: 2000mm l x 1400mm w 7 7 stainless steel work table 1 nos. 8 8 table is used for wet goods with undershelf. the table top is fabricated out of 16 swg ss 304 qlty. ground and polished to a smooth surface without high edge sections. the table top frame is a complete assembly with front, back and two ends welded together at corners. overall size 1500mm x610x890ht. 9 9 s.s. vertical sliding door 1 no. 10 10 table is used for wet goods with undershelf. the table top is fabricated out of 16 swg ss 304 qlty. ground and polished to a smooth surface without high edge sections. the table top frame is a complete assembly with front, back and two ends welded together at corners. overall size 1500mm x610x890ht. 11 11 stainless steel work table with two sink 1 no. 12 12 the bench top is fabricated out of 16swg ss 304 qlty. ground and polished with smooth surface and edge section. the top is designed to give a stable work surface. the table top frame is a complete assembly with front, back and two ends welded together. the sinks are made of stainless steel with inside ground and polished. each sink is provided with a drain valve and a strainer. on the bench top, just above the sinks mixer for hot and cold water connection is provided. overall size 2400mml x650mm wx900mm ht 13 13 washer disinfector 1 no. 14 14 washer disinfector, single door, suitable for cleaning and disaffection of surgical instruments, anesthetic equipment, suction bottles, cleaning buckets, general circulation goods, dental tray and glassware with a fully closed process. nthe washer disinfector, fully automatic, has an advanced micro processor which controls all services, programming and statistic functions. for safety reasons the service and programming functions are coded. nthe door would be provided with interlocking system. nthe chamber is equipped with four spray arms which ensure good water penetration from all directions. various attachments are provided to suit the load to be washed. suitable dosage of detergent can be preset with the dosing pump. nthe provision of a double wall with insulation in between enables the washer disinfector to run with minimum sound and heat emission. nthe wash chamber, the inside the door, the pipework system and the circulation arms are made entirely of stainless steel. nsuitable for electrical operation on 400 / 440 volts, 3 phase, ac supply, electrical load 13 kw ncapacity of 275 ltrs. n n n n n 15 15 ultrasonic cleaner 1 no. 16 16 ultrasonic cleaner of overall size 530mm l x 330mm w x350mm h internal dimensions: 505 x 300 x 200 mm, output frequency 35khz. capacity 30 litres. nthe ultrasonic cleaners are manufactured using solid state technology for the ultrasonic generator and pzt transducers for converting the electrical energy to mechanical vibrations in the cleaning liquid. nthe unit will be complete with a thermostat and a timer, insert basket for tank and tank cover. the unit is suitable for electrical operation on 220 / 240 volts, single phase, 50 cycles, ac supply. n n n n 17 17 drying cabinet with single door 1 no. 18 18 digital timer controlled drying cabinet with single door suitable for easy and quick drying of instruments, utensils, glass wares and anesthetic accessories such as corrugated hoses, breathing masks, respiration bags and surgical instruments trays etc. nthe unit would be provided with digital display with countdown drying time and drying time selectors, temperature selector including indication of selected temperature. nthe system would have adjustable adjustment temperature range of 60 90oc. nthe system would have drying time range of 0 90 minutes. the system would take air from the work area and clean it by appropriate filter. nthe air is to be heated to an operator selected temperature by electric heating element. the system would also have an exhaust connection to vent outside. nthe unit would be provided with cassettes and protective shelves for instruments, hoses, bladders and catheters as accessories. nchamber volume 275 litres. suitable for electrical operation on 230 volts, single phase, 15 amps. electric load 3.6 kw. 19 19 stainless steel racks with 5 shelves, all sides open and stainless steel bullet feet. overall size 1830x535x1830mmh. 3 nos. 20 20 stainless steel table trolley with 2 shelves 1 nos. 21 21 stainless steel table trolley with 2 shelves is for use in the sterile goods store when batching sterile goods for delivery and also for short internal transport. the trolley is also suitable for use as a temporary storage or utility space at packing tables. the frame is mounted on 4nos. heavy duty swiveling castors for easy movement in narrow passages. overall size 1080x530x800h 22 23 single distilled water still 1 no. 23 24 single distilled water still, generally as per the barnstead type. the still is guaranteed to produce pyrogen free and chemically pure water to comply with ip / bp standards. nthe still will be manufactured as per “is:no.3830” and it will also bear the bureau of indian standard certification mark. nthe evaporator, the multi baffle and the condenser will be made out of stainless steel with the joints welded. the condenser will be provided with stainless steel tubes, water inlet and outlet connection. nthe water still will be supplied in a ready to use condition mounted on a suitable stand. nwater still as above of capacity 20 litres, per hour suitable for electric operation on 400 / 440 volts, 3 phase ac supply, electrical load being 15 kw. 24 25 stainless storage tank, electric load 6 kw., capacity 120 litres. 1 no. 25 26 spray gun rinser attached with ss working table & ss sink 1 no. 26 27 spray gun rinser with attachments is used for cleaning syringes, catheters, endoscopes, cystoscopes and variety of other instruments and articles used in sterile services....

University Of North Bengal - West Bengal

26579294 rate contract of laboratory chemicals and glasswares 1. silica gel g for tlc (with binder) 2. folin&ciocalteu’s phenol (fcp) reagent ar 3. n hexane pure, 95% 4. ethyl acetate pure, 99% 5. sodium phosphate dibasic anhydrous extrapure, 99% (disodium hydrogen phosphate anhydrous 6. guaiacolextrapure, 99% 7. sodium thiosulphate anhydrous extrapure ar, 99.5% 8. potassium iodide pure, 99% 9. potato starch pure 10. tris buffer ar, acs for molecular biology, 99.9% (tris(hydroxymethyl) aminomethane, tromethamine) dnase, rnase, protease not detected (suitable for biochemistry & biotechnology) 11. edta disodium salt dihydrate extrapure ar, 99.5% (ethylenediaminetetraacetic acid disodium salt dihydrate) 12. cetyltrimethyl ammonium bromide (ctab) extrapure ar, 99% (hexadecyltrimethyl ammonium bromide) 13. dextrose extrapure (d glucose) anhydrous 14. sodium hydroxide pellets extrapure ar, 98% 15. potassium hydroxide pellets extrapure 16. sodium acetate anhydrous extrapure ar, 99% 17. trichloroacetic acid extrapure, 99% 18. l phenylalanine extrapure chr, 99% for biochemistry 19. ferric chloride anhydrous pure, 98% (iron (iii) chloride) 20. chloroform extrapure ar, 99.5% (stabilized with ethanol) 21. manganese (ii) sulphate monohydrate extrapure ar, 99% (manganoussulphate monohydrate) 22. luria bertani agar, miller (lb agar, miller) 23. phenolphthalein solution 24. methyl orange (c.i.no. 13025) 25. hydrochloric acid about 37% for analysis emparta® acs 26. sulfuric acid about 98% for analysis emparta® acs 27. hydrogen peroxide solution 30% purified 28. silicone high vacuum grease heavy 29. dichloromethane emplura® 30. microcentrifuge tube 1.5 ml 31. microcentrifuge tube 2 ml 32. dntp mix 33. scai 34. hindiii 35. gotaq® dna polymerase (5 u/μl), 500 u 36 pureyield plasmid miniprep system 37. saci 38. rsai 39. ( ) riboflavin 40. 2,6 dichlorophenolindophenol sodium salt 41. acetate buffer, ph 5.6 42. ammonium chloride, hi artm/acs 43. ammonium molybdatetetrahydrate 44. calcium sulphate anhydrous 45. celite 46. chitosan 47. cobalt chloride hexahydrate 48. cobalt nitrate hexahydrate 49. copper (ii) nitrate trihydrate, hi ar™/acs 50. copper (ii) sulphatepentahydrate 51. d( ) sorbitol 52. d (+) glucose monohydrate, hi lr™ 53. dimethyl sulphoxide (dmso) 54. edta copper (ii) disodium salt 55. ferric chloride hexahydrate 56. ferrous sulphateheptahydrate, hi ar™/acs 57. manganese (li) acetate tetrahydrate, hi ar™ 58. manganese dioxide, hi ar™ 59. nadp (tpn) disodium salt 60. nadph (tpnh) tetrasodium salt 61. nickel (ii) chloride hexahydrate 62. nitrobluetetrazolium chloride (nbt) 63. potassium acetate, hi lr™ 64. potassium ferricyanide, hi ar™/acs 65. potassium iodide, hi ar™/acs 66. potassium permanganate 67. potassium persulphate, hi ar™/acs 68. potassium sodium tartrate tetrahydrate 69. sodium acetate anhydrous 70. sodium arsenate dibasic heptahydrate, hi 71. sodium bicarbonate, hi ar™ 72. sodium carbonate anhydrous 73. sodium sulphate anhydrous, hi ar™/acs 74. synthetic sea salt 75. temed, hi ar™ 76. thiourea, hi ar™/acs 77. zinc acetate dihydrate, hi ar™/acs 78. zinc nitrate hexahydrate 79. bovine serum albumin 80. l glutathione reduced 81. ferrozine, hi lr™ 82. sodium dihydrogen orthophosphate dihydrate, hi ar™ 83. potassium iodide 84. light green, hi cert™ 85. phloroglucinol 86. ethyl acetate 87. diethyl ether 88. acetone 89. chloroform 90. benzene 91. toluene 92. methanol 93. sulfuric acid 94. lactic acid 95. glacial acetic acid 96. hydrochloric acid 97. dichloro methane 98. glycerol 99. heptane 100. hexane...

University Of Calcutta - West Bengal

26460844 supply of tci chemicals: ethyl iodide, hexaphenyl benzene, methoxy pyridine, ethyl acetate, hexane, pyridine, methanol, ethanol, potassium hydroxide pellets, tlc silica gel, calcium hybride, direct driven high vacuum pump...

West Bengal Power Development Corporation Limited - West Bengal

25903038 procurement of fine chemicals and laboratory items for chemical laboratory , btps , wbpdcl . 2 1 amino 2 napthol 4 sulphonic acid; item code: m07 c03 00274 hsn: 29222130 3 pyrogallol # : item code; m07 c03 00123 hsn: 29072990 4 potasium hydroxide # # additional data: analytical reagent grade; item code: m07 c03 00021 hsn: 28152000 5 potassium iodide # # item code: m07 c03 00203 hsn: 28276010 6 liquid chemicals # hydrchloric acid, ar / gr / excelar, 2.5litre / pack# item code: m07 c03 00185 hsn: 28061000 7 spetroquant copper test # range 0.02 6.0 mg / l, cu no of tests:250, item code: m07 c03 00239 hsn: 38220090 8 spetroquant iron tests # range 0.005 5.00 mg / l fe2+ no of tests 175; item code: m07 c03 00237 hsn: 38220000 9 glycerine for chemical analysis, item code: m07 c03 00302 hsn: 29054500 10 solution, karl fischer # additional data: [ one no. means one bottle which contains 500 ml i.e. 0.5 litre ] ; m07 c03 00209 hsn: 38220090 11 standard silica reagent; item code: m07 c03 00254 hsn: 28269000 12 standard solution for phosphate 100ppm for standardisation of electronic analyser; item code: m07 c03 00317 hsn: 8503 13 standard solution for sodium 100ppm; item code: m07 c03 00319 hsn: 3822 14 ferric chloride, hexahydrate for chemical analysis; item code: m07 c03 00337 hsn: 2728 15 ethylene di amine tetra acid #; item code: m07 c03 00159 hsn: 29212100 16 petrolium ether ar petrolium ether ( ar ) additional data: [ each bottle contains 2.5 litre ] ; item code: m07 c03 00124 hsn: 27101980 17 toluene; item code: m07 c03 00153 hsn: 29023000 18 isopropyl alcohol / propan 2 ol gr # isopropyl alcohol / propan 2 ol ( gr ) ; item code: m07 c03 00032 hsn: 29051220 19 benzene ( g.r ) ; item code: m07 c03 00262 hsn: 29022000 20 stannous chloride a.r. for chemical analysis; item code: m07 c03 00307 hsn: 2827 21 fusion mixture chemical ( for chemical lab ) ; item code: m07 l01 00357 hsn: 38220090 22 sulphuric acid ar # sulphuric acid ( ar ) additional data: [ each bottle contains 2.5 litre ] ; item code: m07 c03 00016 hsn: 28070010 23 tartaric acid, ar # ; item code: m07 c03 00040 hsn: 29181200 24 sodium disulphite / sodium metabisulfite # ; item code: m07 c03 00093 hsn: 28321010 n 25 paper filter no 41 # ; item code: m07 l01 00200 hsn: 48232000 26 whatmann 42 filter paper; item code: m07 c03 00388 hsn: 48232000 27 ph indicator paper ( ph1 to 10 ) including colour scale; item code: m07 c03 00267 hsn: 38220090 28 viscometer, model c, modified ostwald viscometer u tube ( as per bs / ip / u ) : specification: size : c glass capillary viscometer ideal for measuring the ki nt newtonian fluids within a range of 6 30 cst., including a calibration certificate with a constant value ( range 0.03 0.04 ) at 40 of â±0.2%.; item code: m07 l01 00358 hsn: 70179090 n 29 viscometer, model d modified ostwald viscometer u tube ( as per nbs / ip / u ) :specification: size : d glass capillary viscometer ideal for measuring the kin t newtonian fluids within a range of 20 100 cst., including a calibration certificate with a constant value ( range 0.09 1.1 ) at 40 of â±0.2%.; item code: m07 l01 00359 hsn: 70179090 n 30 viscometer, model e modified ostwald viscometer u tube ( as per nbs / ip / u ) :rnspecification: size : e, glass capillary viscometer ideal for measuring the rent newtonian fluids within a range of 60 300 cst., including a calibration certificate with a constant value ( range 0.3 0.4 ) at on of â±0.2%.; item code: m07 l01 00360 hsn: 70179090 n 31 hydrometer # additional data: range: 1.0 to 1.1; item code: m04 b01 00021 hsn:90258030 32 hydrometer # additional data: range: 1.0 to 1.2; item code: m04 b01 00021 hsn:90258030 33 borosil 100 ml measuring cylinder; item code: m07 c03 00372 hsn: 70179010 34 beaker with spout borosil 1000, 2000 ml #; item code: m07 l01 00092 hsn: 70179090 35 silicon high vacuum grease #; item code: m07 l01 00180 hsn:39100010 36 narrow mouth polythene bottle p.p.autoclavable 250 ml; item code: m07 l01 00110 hsn: 39233090 37 tongs, ss, large, 24# long with shield; item code: m07 l01 00236 hsn: 74199930 38 tongs, ss, large, 12# long; item code: m07 l01 00238 hsn: 74199930 39 glass beaker 500 ml borosil # glass beaker 500 ml ( borosil ) ; item code: m07 l01 00055 hsn: 70179090 40 conical flask 250 ml borosil : item code: m07 l01 00179 hsn: 70179090 41 pipette, mohr, glass 1ml graduated for chemical analysis apparatus graduation interval: 0.01 ml; item code: m07 l01 00280 hsn: 7017 n 42 pipette, mohr, glass 2 ml graduated for chemical analysis apparatus; item code: m07 l01 00265 hsn: 7017 43 tissue paper#; item code: m07 l01 00175 hsn: 48181000 44 funnel additional data: glass make, 60 degree angle, chemical laboratory grade; item code: m06 b01 00086 hsn: 70179090 45 aluminium tray size 75cm x75cm x 2.5cm; item code: m07 l01 00234 hsn: 39269099 46 moisture dish, 40 cm2 area, dia 70 mm #; item code: m07 l01 00206 hsn: 70171000 47 beaker, polythene, 250 ml; item code: m07 l01 00181 hsn: 39269099 48 silicone pipe, od 12mm, id 8mm;item code: m07 l01 00361 hsn: 39233090 49 aluminium sample carrier # aluminium sample carrier with handle size 32 cmx22cmx4 ( h ) , 10x6x3 ( h ) , 8x8x4; item code: m07 l01 00189 hsn: 39269099 50 pipette, volumetric, cap 1 ml ; item code: m07 l01 00091 hsn:70172000 51 pipette mohr graduated 1 / 10 x 2 ml cap ( pyrex glass ) ; item code: m07 l01 00090 hsn: 70179090 52 pipette, volumetric 20 ml for chemical analysis apparatus; item code: m07 l01 00272 hsn: 7017 53 volumetric pipettes 25 ml # item code: m07 l01 00004 hsn:70172000 54 funnel additional data: glass make, chemical laboratory grade, 3 / 9 cm / 7.5 cm; item code: m06 b01 00086 hsn: 70179090 55 glass beaker 500 ml borosil # ; item code: m07 l01 00055 hsn: 70179090 56 glass beaker 250 ml borosil # glass beaker 250 ml ( borosil ) ; item code: m07 l01 00054 hsn: 70179090 57 flask, erlenmeger, conical, narrow mouth borosil r, capacity 250ml; item code: m07 l01 00080 hsn: 70179090 58 separatory funnel holder # ; item code: m07 l01 00013 hsn: 39269099 59 volumetric flask, cap 250 ml; item code: m07 l01 00103 hsn: 70179090 60 bottle wash 500 ml cap #; item code: m07 l01 00109 hsn: 39233090 61 volumetric flask 100 ml# ; item code; m07 l01 00118 hsn: 70179090 62 volumetric flax with glass lid 500 ml # #; item code: m07 l01 00057 hsn: 70179090 63 swan head laboratory tap ( s.s ) stainless steel swan head laboratory tap ( ss ) for leibig condenser fittings.; item code: m07 l01 00354 hsn: 70179090 64 round bottom flask, 500ml glass ( for chemical lab ) round bottom flask 500 ml capacity borosil make.; item code: m07 l01 00355 hsn: 70179090 65 round bottom flask 1000 ml glass ( for chemical lab ) round bottom flask 1000ml capacity borosil make; item code: m07 l01 00356 hsn: 70179090 66 ranken separating funnel capacity 500 ml; item code: m07 l01 00160 hsn: 70179090 67 beaker, polythene, 250 ml; item code: m07 l01 00181 hsn: 39269099 68 gst, if any...

Health And Family Welfare Department - West Bengal

25708479 procurement of high vacuum suction unit for the department of ent re e tender notice nit no 11 for purchase and installation of equipments for different department of nil ratan sircar medical college kolkata 700014 , high vacuum suction unit...

Health And Family Welfare Department - West Bengal

25364656 wbhf / nmc / store / 3610 / for the procurement of high vacuum suction unit for the department of ent e tender notice nit no 2 for purchase and installation of equipments for different department of nil ratan sircar medical college kolkata 700014...