Tender For bid to ras supply of chemicals and consumables d d -calcium hydroxide ar acs , sodium hydroxide pellets ar acs , potassium dihydrogen phosphate , aluminum sulphate hydrate ar , sodium di hydrogen phosphate dehydrate ar , magnesium sulphate heptahydrate ar acs , tricalcium orthophosphate lr , potassium chloride ar , sodium chloride ar , sodium nitrate ar acs , 5 sulphosalicylic acid dihydrate ar acs , d galactopyranoside , activated charcoal powder lr , ammonium ferrous sulphate hexahydrate ar acs , ammonium molybdate lr , antimony potassium tartrate trihydrate ar , citric acid anhydrous , isoamyl alcohol ar , nitric acid 68 to 72 percent pure lr , orthophosphoric acid abt 88 percent lr , phenylmercuric acetate , p nitrophenyl phosphate disodium salt hexahydrate , potassium dichromate ar acs , di sodium hydrogen phosphate dihydrate ar , di sodium tartrate dihydrate ar acs , sulfuric acid pure ar , thiosemicarbazide ar , ctab , ethylene glycol ar 99 percent , ethanol ar , ammonia solution , ammonium acetate ar , sodium bicarbonate ar , selenium metal powder ar , silver nitrate ar , azomethine h , bromocresol green , barium chloride ar , hikleen , boric acid ar , dtpa ar , edta , hydro fluoric acid , perchloric acid ar , sodium hypochlorite , acetone ar , chloroform ar , hydrogen peroxide 30 percent , filter paper 100 sheets per pack 2 packs , polythene bag 1 kg capacity , polythene bag 500 g capacity , kraft paper bag 42x18x10 cm ) /bid number : gem/2026/b/7237108 * /dated: 13-02-2026 & & / bid document 1 / 37
Tender For supply and delivery of chemicals and glassware for the 15 (fifteen) nos. laboratories in the district of south 24 parganas under alipore division, p.h.e. dte. for the period of 180 (one hundred eighty) days. (2nd call) - glassware & other things required for 15 laboratories of alipore south 24 paganas district for 6 monthsample bottle(pbc)(200ml), sterile sample bottle(tarsons)(100ml), aluminium foil 9mt- hindalco/equivalent, tissue paper (medium)- 2x21mt, nitrile gloves(7.6")(100ps), zinc cutter, lighter for mft, lab aprone superior quality,xl size, mask (pollution mask acid fume protected), lab shoe (pair), first aid kit comprises of absorbent cotton (100gms), antiseptic liquid(1no), leucoplast, t-bact/ silverx/similar(10gm),scissors, starile cotton gauge(5 nos), tobe supplied with in covered box, bacteriologychromogenic coliform agar, for simulteneous determination & count of escherichia coli and total coliforms in water samples as per iso 9308-1:2014, 100 gm pack, consumables for bacteriological analysis by mf technique, membrane filter- cellulose nitrate, sterile- individually packed, white membrane, gridded, 47mm dia, 0.45 micron porosity, pack of 100 circles, consumables for bacteriological analysis by mf technique, radiation sterilie plate 15x60mm, 250 nos a pack, total hardnessedta n/50 solution, for total hardness analysis (500ml/pack) 500 ml pack, ammonia buffer solution for total hardness analysis (500ml/pack), phph buffers - 25 c : clear, colourless ph buffer solutions. tested at 25 c and certified by iso 17025 accredited test method. nist/metrological traceable, ph: 4.00 0.01@25 c in 500 ml, ph buffers - 25 c : clear, colourless ph buffer solutions. tested at 25 c and certified by iso 17025 accredited test method. nist/metrological traceable, ph: 7.00 0.01@25 c in 500 ml, ph buffers - 25 c : clear, colourless ph buffer solutions. tested at 25 c and certified by iso 17025 accredited test method. nist/metrological traceable, ph: 10.00 0.01@25 c in 500 ml, conductivity & tdssupply of conductivity/tds standard-25˚c certified by iso 17025 accredited test method, nist traceable 1431us/cm at 25˚c in 500 ml botttles, ironreagent suitable for spectrophotometric analysis of iron in potable water, min range 0.02-3.00 mg/l soluble iron (1000 tests/pack), iron standard solution 1000 mg/l traceable to srm from nist traceable (125 ml/pack), manganesereagent suitable for spectrophotometric analysis of manganese in potable water min range: 0.01-0.7 mg/l of manganese, (250tests/pack), manganese standard solution traceable to srm from nist traceable (125 ml/pack), residual cisupply, delivery demonstration of residual chlorine kit complete with comparator box with continuous colour scale disc for residual chlorine & total chlorine analysis, range/graduation: 0/0.2/0.4/0.6/0.8/1.011.211.4/1.6/1.8/2.012.5/3.0/3.5/4.0, . to besupplied with unbreakable cells, frosted on two sides 13.5 mm path length, volume 10 ml, with lid, easily dispersible dpd tablet for residual chlorine- 530nos & dpd tablet! for total chlorine-30 nos, tablet crusher, carrying box, operating manual. total residual chlorine test should not be less than 530 tests.delivery & demonstration to be made at different places of west bengal as perdirection of engineer- in-charge. make: lovibond|merck, dpd tablet for residual chlorine, easily dispersible, suitable for comparometric determination, pack of 250 tabs, arsenichydrochloric acid min: 36.5%, analytical quality & acs grade, arsenic content: 0.01 ppm max. (500ml/pack), tin (ii) chloride dihydrate analytical quality solubility: 10% solution in dil. hcl should be clear & assay: min. 99.00%, (100gm/pack), zinc granules (arsenic free, as content: 0.00001% max) (500gm/pack), silver diethyldithiocarbamate for arsenic analysis, acs grade assay: 99% min (5 gm/pack), chloroform analytical quality, dry solvent, water content maximum: 0.01% max (500 ml/pack), arsenic standard solution traceable to s