bids are invited for ammonium molybdate , ammonium ferrous sulphate , ammonium acetate solution , ammonium solution , edta magnesium salt , edta disodium salt , potassium dihydrogen orthophosphate , potassium dichromate , potassium permanganate , sodium hydroxide pellets , stannous chloride , silver nitrate , sodium hydroxide solution , sodium bicarbonate , potassium nitrate , silver nitrate 1n solution , sodium chloride , hydrochloric acid 1n solution , sulphuric acid pure hr ar , orthophosphoric acid 85 , eriochrome black t indicator , phenolphthalein indicator powder , methyl orange indicator , diphenyl amine indicator , methyl red indicator , activated carbon , hydrochloric acid 5n , ethyl alcohol , ph buffer solution , whatman filter paper no 1 , whatman filter paper no 41 , whatman filter paper no 40 , whatman filter paper no 42 , safranin , crystal violet , ammonium hydroxide 30 , glycerol , manganese ii sulphate , gelatine powder , salicylic acid ar powder , hydrochloric acid 0 5n , aluminium aas standard solution , manganese aas standard solution , magnesium aas standard solution , zinc aas standard solution , nickel aas standard solution , lead aas standard solution , copper aas standard solution , chromium aas standard solution , cadmium aas standard solution , iron aas standard solution , ammonium oxalate , ammonium hydroxide 25 , hydrochloric acid 2n , sodium arsenite , zinc sulphate , ammonium chloride , murexide , calcium carbonate , brucine sulphate , sulphanilic acid , sulphanilamide , potassium antimonly tartrate , l ascorbic acid total quantity : 362