bids are invited for chemicals potassium dichromate , sulphuric acid , ferrous ammonium sulphate , diphenyl amine indicator , orthophosphoric acid , potassium permanganate , sodium hydroxide , boric acid , potassium hydrogen phthalate , ammonium fluoride , hcl hydrochloric acid , stannous chloride , sodium bicarbonate , activated charcoal , ammonium molybdate , potassium dihydrogen phosphate , antimony potassium tartrate , l ascorbic acid , ammonium acetate , potassium chloride , calcium chloride , barium chloride , potassium sulphate , gum acacia powder , mono calcium phosphate , nitric acid , dtpa , tea , edta , potassium iodide , thiourea , magnesium chloride , ebt , ammonium hydroxide , ammonium chloride , sodium sulphate , copper sulphate , perchloric acid , 2 3 5 triphenyl tetrazolium chloride , glucose , urea , ammonium metavanadate , ammonium molybdate , methanol , tpf triphenyl formazone , toluene , tris hydroxymethyl aminomethane buffer , malic acid , citric acid , borax , p nitrophenol phosphate , p nitrophenol beta d glucoside png , silver sulphate , ammonium oxalate , hydrogen peroxide , ammonium oxalate , sodium citrate , ammonium chloride , sodium chloride , carboxy methyl cellulose , liquid paraffin , poly vinyl alcohol , epoxy propane , sodium hexametaphosphate , potassium p nitrophenyl sulphate , fluorescein diacetate , chloroform , hydrometer bouyoucos , thermometer room temperature , comassie brilliant blue , abts , tartaric acid , ethyl alcohol , iso amyl acetate , glacial acetic acid , ammonium carbonate , ammonium purpurate , calcium oxide , calcium sulphate , zinc chloride , sodium chloride , magnesium chloride total quantity : 19715