bids are invited for sulphuric acid , sulphuric acid 500 ar , manganous sulphate , sodium iodide , sodium azide , potassium dihydrogen phosphate , disodium hydrogen phosphate , ammonium chloride , magnesium sulphate , calcium chloride , ferric chloride , hydrochloric acid , barrium chloride , glycerol , ethyl alcohol , sodium chloride , sodium sulphate , needa , sulphaliminide , stannous chloride , ammonium molybedate , potassium dichromate , ammonium freeous sulphate , silver sulphate , potassium sodiuym tarterate , mercury iodide , potassium iodiode , sodium hydroxide sol , ethyl alchol 95 percent , barium chloride , mercurysulphate , ferrous sulphate ar , 1 10phenanthroline , petrileum benzene 40 60c , carmine, spadns , zirconium oxychloride , megnoussulphate , sodium thiosulphate , potassium iodide , gfc filter paper , ordinary filter paper , whatmanfilter paper no. 42 , acetone , ph buffer 4.0 , phbuffer 7.00 , ph buffer 10.0 , ph strips 1-14 no , phenolphthalein sol ph 4.5 , methyl orange ph 4.5 , silver nitrate , potassium chromate , ammoniumhydroxide solution , ammounium chloride , silicagel total quantity : 227