supply of solvents , list of item ( s ) / work ( s ) as per tender documents , mercury , sulphuric acid , ar grade , hydrochloric acid , ar/gr , acetic acid glacial ( 99 . 9% ) , nitric acid , ar/gr , methanol , ar , methanol ( specially dried ) , universal indicator soln , ph:4-11 , 125 ml , acetone , n-butanol , ar , sodium sulphate ( anhydrous ) ar , carbon disulphide , excellar , iso octane , hplc , sodium hydroxide , ar/gr , ammonia , solution , potassium iodide , ar/gr , karl fisher reagent , dimethylformamide ( 99+% ) , silver nitrate , 0 . 1 mol ( 0 . 1 n ) for 500 ml , dichloromethane ar , potassium dihydrogen phosphate , 99 . 5ar/gr , dipotassium hydrogen phosphate , edta , ar , lead acetate , ar , potassium ferricyanide , 500g , chloroform , hplc , potassium dichromate , lr/synthesis/ar , starch soluble , acs , carbon tetra chloride , 2 . 5ltr , cat no . 069 , potassium iodate , excelar , chlorotex reagent , pack: 100 ml , phenolphthalein soln , 125 ml , ethanol , mercuric sulphate , toluene acs grade