supply of chemicals chemicals , , acetic acid glacial-500 ml , ammonia solution -500 ml , ammonium ferrous sulphate hexahydrate extrapure -500 gms , barium chloride dihydrate-500 gms , ammonium ferrous sulphate -500 gms , hexamine pure, 99% - 500 gms , hydrazine sulphate pure, 98%-500 gms , hydrochloric acid pure-2.5 liters , mercuric sulphate-250 gms , potassium hydrogen phosphate -500 gms , silver nitrate-25 gms , silver sulphate-25 gms , sodium arsenite ar -250 gms , sodium fluoride-500 gms , sodium hydroxide-500 gms , zirconium oxychloride octahydrate-100 gms , sodium fluoride pure-500 gms , sulphuric acid concentrated-2.5 liters , petroleum ether 60-80 for uv -500 ml , potassium sulphate, 99% -500 gms , copper sulfate -500 gms , methyl red indicator -100 ml , sodium chloride - 500 gms , sodium hydroxide -500 gms , sodium thiosulphate - 500 gms , phenolphthalein ph indicator - 100 ml , methyl orange indicator- 100 ml , eriochrome black t indicator - 25 gms , potassium dichromate-500 gms => limited