procurement of lab . chemicals / reagents for s . t . p . lab . keshopur under cwa ( wns ) -ii . , ammonia solution 25% ( 500 ml each pk ) ar , ammonium chloride ( 500 gm pk ) ar , calcium carbonate ( 500 gm each pk . ) , boric acid ( 500gm ) , ethanol absolute ( 500 ml . each pack ) ar , ferric chloride anhy . 500g , ferrion indicator 100 ml each , ferrous amm . sulphate ( 500 gm pk ) ar , hydrochloric acid ( 2 . 5 l . each pk . ) ar , manganous sulphate . h20 ( 500 gm pk ) ar , methylene blue stain ( 25gm ) , methyl red indicator powder ( 100gm ) , mercuric sulphate ( 250gm ) ar , mercuric iodide ( 100 gm each pack . ) ar , methyl orange ( 125 ml each pack ) , potassium chloride ( 500 gm ) ar , potassium dichromate ( 500 gm pk . ) ar , potassium iodide ( 500 gm pack . ) ar , potassium permanganate ( 500 gm pk . ) ar , petroleum spirit / ether ( 500 ml each pack . ) ar , silica gel ( 500 gm each ) , silver nitrate ( 25 gm each pack . ) ar , silver sulphate ( 25 gm each pack . ) ar , sodium bi carbonate ( 500 gm pack . ) anhy . , sodium chloride ( 500 gm each pack . ) , sodium hydroxide pell ( 500 gm pk . ) ar , sodium sulphate ( 500 gm each pack . ) ar , sodium thio sulphate . 5h20 ( 500 gm pk . ) , stannous chloride . 2h2o ( 100 gm each pack . ) ar , starch soluble ( 500 gm each pack . ) ar , sulfuric acid conc . 36n ( 2 . 5 l each pack . ) ar , universal ph indicator soln ph 4 . 0 to11 ( 100 ml pk ) , g . f . c . ( whatman 47 mm dia ) 100pcs / pkt make:whatma / axiva / sartorius