chemicals and certified reference material supply of laboratory chemicals reagents and certified reference materials crms , supply of laboratory chemicals, reagents and certified reference materials (crms) of brands merck (india), merck (imported), merck millipore (india & imported), sigma aldrich (india & imported), brand, avantor, accustandard, s.d. fine chem., molychem, fisher scientific / qualigens, finar, himedia, rankem, dr. ehrenstorfer, thomas baker, lgc, aashwi technology as per annexure-1 , ammonium ferrous sulphate 500gm , ammonia buffer solution 500ml , a-1 broth media 500gm , acetic acid glacial 500ml , acetone 2.5lit , azide dextrose broth 500gm , barium chloride 500gm , brain heart infusion broth 250gm , brilliant green bile broth 500gm , calcium chloride anhydrous (fused) 500gm , curcumin 5gm , carmine 5gm , ethanol 99.9% 500ml , edta 100gm , ec media 500gm , ferric chloride 500gm , glycerine & glycerol 500ml , hydrochloric acid suprapure 2.5lit , hydrochloride 2.5lit , iodine 500gm , lauryl tryptose 500gm , manganous sulphate 500gm , mercuric sulphate250gm , methyl red 125 ml , mercuric chloride 100gm , nitric acid supra pure 1 lit , n-hexane 2.5lit , n-1 naphtyl ethylene-di-amine-di-hcl (neda) 5gm , potassium bi-iodate 100 gm , potassium permanganate 500 gm , pararosaniline hydrochloride 25 gm , potassium iodide 250 gm , potassium dichromate ae grade 500 gm , silver nitrate 25 gm , spands 5 gm , sodium thiosulphate 5h2o 500 gm , sulphanilamide 500 gm , sodium hypochlorite 1 lit , sulphuric acid ( conc.) 2.5 lit , stannous chloride 250 gm , sulphuric acid n/50 500ml , sodium azide 100 gm , starch powder (soluble) 500 gm , zirconyl nitrate 100 ml , sodium dihydrogen phosphate molybdate (emparta) 500 gm , ammonia standard solution 500 ml , buffer solution ph 4.00 50 ml , buffer solution ph 7.00 500 ml , buffer solution ph 9.2 500 ml , nitrite standard solution 500 ml , potassium dichromate 80 gm , phosphate standard solution 500 ml , sodium chloride 50 gm , sodium standard solution 500 ml , sodium di sulphite 100 gm , potassium hydrogen phthalate 100 gm , arsenic standardsolution 100 ml , copperstandardsolution 100ml , cobaltstandardsolution 100ml , chromiumstandardsolution 100ml , ironstandardsolution 100ml , leadstandardsolution 100ml , manganesestandardsolution 100ml , zincstandardsolution 100ml , cadmium standard solution 100ml , mercury standard solution 100ml , selenium standard solution 100ml , fluoride standard solution 500 ml , sulphate standard solution 500 ml , sodium carbonate 250 gm , sodium nitrite 100 gm , turbidity calibration standard solution (1000 ntu) 500 ml , hexavalent chromiumstandard solution (1000mg/l) 125 ml , potassium chloride solution (1.41 ms/cm) 500 ml , calcium carbonate 500 gm , molybdenum standard solution 100 ml , boronstandard solution 100 ml , nitrate standard solution 500 ml , nickel standard solution 100 ml