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Tender For purchase of chem lab equipments - wire gauze--, water bath rectangular stainless steel thermostat--, water bath copper with concentric circles 6 inch dia--, wash bottle plastic 250ml--, tripod stand--, tongs 8 inch dia--, tongs 6 inch dia--, test tube stand --, test tube holder--, suction pump --, semi micro spatula--, pipette stand vertical--, pipette pump 10ml--, magnetic retriever--, magnetic bits--, magnetic stirrer 1000ml--, magnetic stirrer 500ml--, iron stand with base and clamps --, hot plate with magnetic stirrer--, hot plate rectangular 1kw--, heating mantle 1000ml--, heating mantle 500ml--, glass electrodes--, crucible filter--, filtration stand p p ring--, electronic balance sartorius 100 microgram weighing capacity 220g--, digital balance 100 microgram--, electrical bunsen burner--, electric centrifuge machine--, dessicator with lid--, digital uv vis spectrophotometer 340nm to 960nm--, digital potentiometer--, digital photoelectric colorimeter 8 filters--, digital ph meter--, digital conductivity meter with cell--, condenser clamps four finger to hold condenser with base hand covered with rubber sleeves--, retort ring clamps for separating funnel 3 inch dia--, centrifugal machine hand driven--, calomel electrodes- -, burette stand with fisher clamp--, bunsen burner brass--
Tender For supply of burette stand (q3) , burette clamp (q3) , micro spatula- is:3888 (q3) , serological pipettes and graduated pipettes as per is 4364 (q3) , laboratory beakers (v2) as per is 2619 (q4) , petri plates or dishes (q3) , laboratory glassware bottles (aspirator bottles) as per is 1388 (part 3) (q3)
Tender For supply of pycnometer bottle relative density bottles with capillary bore inter changeable teflon stopper , glassware bottles borosilicate reagent bottle with screw cap 250ml , buchner funnel 100mm , buchner funnel with sintered disc capacity 80ml porosity grade 2 diameter of disc 35mm approx height mm 142 stem diameter 8mm , culture tube culture tubes flat bottom with pp cap 50ml , filter flask with glass tubulation 500ml , kjeldahl flask for tulin distillation unit 350ml , measuring cylinder class a 5 ml glass , membrane filter holder 250ml , glass rod 16x16 mm glass , 0 45 micrometers nitrocellulose polypro filters filters 25mm , 0 45 micrometers nitrocellulose polypro filters filters 45mm , 0 45 micron membrane filter filter , burette stand clamps , mortar pastle porcelain mortar with spout glazed outside except bottom unglazed inside pestle unglazed to grinding surface 2000ml , rubber stoppers solid should fit in 500ml conical flask , whatmman filter paper no 42 , whatman filter paper no 1 , white laboratory silica sand sea sand hi ar , aluminium box , brush bottle hard nylon bristles mounted on twisted gi wire head 120 65mm overall length 500mm , brush brush flask hard nylon bristles mounted on twisted gi wire head 130 50mm length 400mm , brushes brushes beaker hard nylon bristles on stainless steel wire head 150 85mm overall length more than 400mm , carboy ldpe with pp closure and stopcock 10litre , keen box radius typically around 2 5 to 4 5 cm depth approximately around 2 5 cm to 5 0 cm material made of durable metal to withstand repeated use in water saturation experiments , thermometer , sieves 8mm 4mm 2mm 1mm 500um 250um 53um , silver stainless steel 304 plunger
Tender For supply, installation and trials of laboratory instruments equipment apparatus with training for quality control ii division at siliguri, p.w.(roads) directorate - nomenclature of machine/instrument and work required: supply, of only vacuum pump cum controller required for existing digital 4 station vacuum indicator for absolute viscosity test. the same will have to he installed on the existing machine and after installation, necessary trials are to be carried out. relevant is code: is: 1206: 2022 (part ii). specification: the pump connected with the vacuum system should be capable of maintaining a vacuum within 2 0.05 cm of the desired level up to and including 30 cm of mercury, and should have the capability of holding the desired pressure throughout the period of a particular test. the pump should have both analogue (with divisions of 0.05 cm of hg) and digital pressure gauge (capability of displaying minimum of 0.05 cm of hg). the vacuum pump controller should be supplied with a 4-position manifold to apply vacuum simultaneously up to four positions and perform viscosity determinations. equipped with dedicated on/off switches for each position and supplied with blue silicon tubing. the pump should have the capability of withholding the pressure set for tests and also maintain it throughout the test. vacuum pump should be the part of vacuum system [pump should be inbuilt with in the vacuum system along with analogue and digital display of vacuum). note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply 2. necessary tests and trials will have to be carried out to the satisfaction of engineers of q.c.-ii division at siliguri. 3. two year comprehensive warranty of total system from the date of satisfactory completion of onsite installation, commissioning and training of the instrument., nomenclature of machine/instrument and work required: supply, installation of u-tube, modified reverse flow viscometer for opaque liquid required for kinematic test of bitumen. details: tube no. 6 & 7 with 01 no. stand each. relevant is code: is 1206 (part 3): 2021 specification: note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply. 2. necessary tests and trials will have to be carried out to the satisfaction of engineers of qc-ii division at siliguri. 3. two year comprehensive warranty of total system from the date of satisfactory completion of onsite installation, commissioning and training of the instrument., nomenclature of machine/instrument and work required: supply & installation of serological water bath. specification: the bath should have double walled structure, having facility of digital controller cum indicator. the bath should have stirring arrangement. inside wall should be of stainless-steel seamless ss 304 seamless, min. thickness 1.0 mm, with rounded corners for easy cleaning with proper drainage system having ptfe valve and hose pipe (15mm inner dia. min). outer wall to be of ms and properly insulated with cfc-free high-density insulation. minimum temp. range is 5°c to 95°c, 20.2°c. size should be minimum 28 l: -600 w 400d 350 h mm; for 8 standard racks, with adjustable height, compatible with common test tubes (10-50 mm dia.) and other bottles/beakers. note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply. 2. necessary tests and trials will have to be carried out to the satisfaction, nomenclature of machine/instrument and work required: supply & installation of burette stand with clamp specification: boss head & rod (with stainless steel corrosion resistant rod (length 18") the rod diameter is 1 cm and solid black coated support stand base (6"x4"). should be made of high-quality anti-corrosion & rust-proof stainless steel. the base should be padded to prevent scratches on the surface and better gri
Tender For corrigendum : procurement of annual requirement of glasswares ogcd, dtps, htps, kasimpur - 3204 conical flask narrow glass 100ml, connical flask borosil make cap250 ml, beaker capacity- 100 ml, beaker borosil make cap.250 ml, beaker (500 ml), test tubes (20ml), round bottam flask with lid 100ml, round bottam flask with lid (250ml), round bottam flask with lid (500ml), round bottam flask with lid (1000ml), centreifuging tubes (15ml) with numbering, sampling bottle plastic wide mouth 1000ml, sampling bottle plastic wide mouth 500ml, burette 100 ml, burette stand, measuring cylinder (50ml), graduated measuring cylinder 100 ml , class a, ( graduation interval 1.0 ml with spout & break resistant collar), graduated measuring cylinder 250 ml ,, measuring cylinder capacity -500 ml, imeasuring cylinder (1000ml), absorption pipette for orset appratus, 100 ml burette for orsat gas apparatus with graduation from 0 to 20(at 0.05ml interval) and from 90 to 100(at 0.2ml interval), manifolds 3 points for orset aparatus borosil make, aspirator bottal for orset appratus (250ml), pippette 10 ml graduated glass l.c.0.1ml, pipette 5 ml , graduated mohr type accuracy class a., pipette 2 ml , graduated mohr type accuracy class a, pipette 1 ml , graduated mohr type accuracy class a, funnel ( size 75 mm dia ), hydrometer (range 0.800-1.00), hydrometer (range 1.40-2.00), hydrometer (range 1.00-2.00), hydrometer (range 1.800-2.000), thermometer 0-100, m.s. type thermometer chp ssw h 20x512 r 0-250ºc, industrial glass thermometer range 0-300ºc, sieves set with lid and bowl ( mesh size-50 + 100 + 200), v.m. crucible with lid (10 ml), vm crucible stand, tongue long size ( stainless steel), tongue small size ( stainless steel), tongue curved, spatula stainless steel, rubber pipette bulb (5&10ml), culture petri dishes 90*15 mm, tissue paper (pack) 100 no., silicon grease, chloroform bellows for collection of flue gas samples, cyclone separator mat brass, filter paper size(640x570mm) paced in boxes of 100 no grade 1 (make whatman), silica crucible (100 ml), silica crucible (15 ml)
Tender For corrigendum : supply of glassware and consumable items for chemical lab gtps. - glass moisture bottle for coal testing 50 x 35 mm od make borosil, glass make petri dishes od 80 mm x height 17 mm, silica crucible low form(translucent indian make) cap-25 ml, temp-1200 deg c,, silica vetrosil crucible,size:25ml.cap.(with lid)., volatile matter crucible stand (for 02 crucible), glass make automatic burette class-b 25 ml, glass moisture bottle for coal testing 50 x 35 mm od make borosil, glass make petri dishes od 80 mm x height 17 mm, silica crucible low form(translucent indian make) cap-25 ml, temp-1200 deg c,, silica vetrosil crucible,size:25ml.cap.(with lid)., volatile matter crucible stand (for 02 crucible), glass make automatic burette class-b 25 ml