bids are invited for buffer solution potassium hydrogen phthalate crm , buffer solution potassium dihydrogen phosphate disodium hydrogen phosphate crm , buffer solutionboric acid potassium chloride sodium hydroxide crm , potassium chloride solution crm , fluoride standard crm , bodstandard solution crm , poassium hydrogen diiodate crm , cdta , ethylalcohol , glacial acetic acid , sodiumazide , ammonium heptamolybdate , nitric acid , magnesium chloride , sodium chloride , manganese ii sulphate monohydrate , silver sulphate , sodium iodide , sodium hydroxide , calcium chloride fused , sodium hypochlorite , sulphuric acid conc , ammonia solution , oxalic acid dihydrate , hydrochloric acid , ammoniumsulphate , sulphamic acid , orthophosphoric acid , sodium hydrogen sulphite , starch powder , boric acid , nitratefilling solution , high performance ammonia electrode filling solution , sulphanilamide , sodium nitrite , naphthyl ethylene diamine dihydrochloride , ascobic acid , lauryl tryptose broth , brilliant green bile broth , e.c. broth , extran ma 02 neutral solution , ph 4buffer solution , ph 7buffer solution , ph 10buffer solution , ec 1413 buffer solution total quantity : 253