bids are invited for potassium hydroxide , potassium nitrate , silver nitrate , silver sulphate , sodium acetate , sodium arsenite , sodium azide , sodium nitrate , sodium bi sulphite , sodium sulphite , sodium hydroxide , sodium iodide , spadns , sodium metasilicate , sodium acetate , sodium oxalate , sodium thio sulphate , sulfuric acid , tryptone water broth , zinc sulphate , ph paper strip , ph-4 buffer solution , ph-10 buffer solution , sulphate standard , nitrate standard , fluoride standard , magnesium standard , sodium chloride , calcium carbonate , sodium carbonate , potassium hydrogen diiodate , bod standard solution , zinc icp standard , tuning solution for icp-ms , icp-ms internal std mix , nebulizer cleaning tool , op- dichlorodiphenyltrichloroethane , dieldrin , anilophos , di- chloromethane , hexane , ethyl acetate , 2ml vial caps 9mm dia , hplc water , ph-7 buffer solution , potassium chloride total quantity : 70440