Tender For tender for supply of certified reference material : - ph buffer solution - potassium hydrogen phthalate of ph-4 at 25 deg. c - standard for ph analysis , ph buffer solution - potassium hydrogen phthalate/disodium hydrogen phosphate of ph-7.0 at 25 deg. c - standard for ph analysis , ph buffer solution - boric acid/potassium chloride/sodium hydoxide of ph-10 at 25 deg. c - standard for ph analysis , standard for sulphide s-2 content analysis - potassium dichromate volumetric standard , secondary reference material for redox titration , traceable to nist , standard for sulphide s-2 content analysis - sodium sulphide nona hydrate - sulphide s-2 content , standard for total suspended solid tss , celite-545 , particle size 0.02-0.1 mm , standard for total suspended solid tss , sigmacell cellulose type 20 , standard for chemical oxygen demand cod - 100 ppm , packing size , standard for chemical oxygen demand cod - 200 ppm , packing size , standard for chemical oxygen demand cod - potassium hydrogen phthalate , standard for biological oxygen demand - glucose , standard for biological oxygen demand -glutamic acid , standard for biological oxygen demand - analogue en 1899 standard solution 210 mg/l , standard for oil and grease stearic acid , standard for oil and grease - hexadecane analytical standard , 5ml , standard for phenol analysis , certified reference material crm , 1gm , iron standard solution -1000 mg/l fe , fe(no3)2 in hno3 0.5 mol/l , silicon standard solution - 1000 mg/l si , (nh4)2sif6 in h2o , zinc standard solution -1000 mg/l zn , zn(no3)2 in hno3 0.5 mol/l , water standard at 0.01% for coulometric karl fischer titration
Tender For 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