bids are invited for ammonium dihydrogen orthophosphate , ammonium carbonate , ammonium ferrous sulphate , ammonium acetate , ammonium sulphate , aluminium sulphate , ammonium molybdate , ammonium bromide , strontium chloride , aluminium phosphate , barium nitrate , barium chloride , bismuth nitrate , barium carbonate , barium sulphate , brass alloy , barium phosphate , copper chloride , cadmium sulphate , cobalt nitrate , calcium carbonate , cobalt carbonate , calcium sulphate , strontium bromide , ethylene diamine tetra acetate , ferrous sulphate , ferric chloride , ferrous sulphide fused stick , lead acetate , magnesium carbonate , magnesium phosphate , manganese dioxide , manganese carbonate , magnesium sulphate , nickel sulphate , nickel carbonate , nickel chloride , potassium hydrogen phthalate , potassium iodide , potassium permanganate , potassium hydroxide , potassium bromide , sodium thiosulphate , strontium nitrate , strontium carbonate , sodium bromide , sodium chloride , silver nitrate , zinc sulphate , zirconyl nitrate , zinc phosphate , zinc sulphide , zinc carbonate , potassium chromate , strotium bromide , potassium chloride , potassium nitrite , conc hydrocholric acid , conc hydrocholric acid com , conc sulphuric acid , conc nitric acid , methyl acetate , benzaldehyde , methyl orange , benzoic acid , oxalic acid , phenyl acetic acid , salicylic acid , cinnamic acid , succinic acid , alpha naphthol , beta naphthol , ortho nitro phenol , resorcinol , phenol , ortho nitro aniline , para nitro aniline , meta nitro aniline , para toludine , acetanilide , anthracene , acetophenone , acetone , glacial acetic acid , biphenyl , benzamide , benzene , chloroform , naphthalene , para dichloro benzene , thiourea , urea , diethyl aniline , dimethyl aniline , alanine , methionine , aspirine , liquid parafin , ninhydrine , dimethyl glyoxime , starch powder , iodine , formaldehyde , potassium sodium tartrate , glycine , potassium dihydrogen phosphate , ethyl acetate , sodium citrate , magnesium chloride hexahydrate , bromocresol green , barfoeds reagent , hydrogen peroxide 30 volume , sodium oxalate , erichrome black t , cupric acetate , methyl red , glyoxylic acid , lactose , sodium iodide , standard buffer tablets ph 4 , standard buffer tablets ph 7 , standard buffer tablets ph 9 2 , amino napthol sulphonic acid , invertase , tryptophan , threonine , proline , aspargine , arginine , tyrosine , albumin , cysteine