bids are invited for volumetric flask 100 ml - glassware , volumetric flask 50 ml - glassware , volumetric flask 25 ml - glassware , volumetric flask 1000 ml - glassware , volumetric flask 500 ml - glassware , 0.5% diphenylamine indicator516295- - 100g , methyl red 586085- - 100g , methyl green 156595- - 100g , copper sulphate 496780- - 500g , stannous chloride 647435- - 500g , amoniuam hydroxide 456165- - 2.5l , ebt indicator 025529- - 100g , silver nitrate agno3 030087- - 1kg , formaldehyde soln. 37-41% - 500 ml , sodium hypochlorite (4% w/v solution) s.no. 16027 - 50 ml , ethanol extra pure - chemical , p-nitrophenyl phosphate25170- - 100g , ph buffer 4, 7.2, 9 - itmes total quantity : 1