strengthening of state level water testing laboratories under wqmsp fund / supply of laboratory chemicals for state water testing laboratories under pwd ( dws ) under wqmsp activities of nrdwp during the year 2019-20 ( 3rd call ) -2 supply of buffer solution for ph, ph 10.0 n ( 500 ml = 1 unit ) 3 supply of non ratio turbidity standards, nist traceable, calibration kit set for tn100ir ( 0.02, 20, 100, 800 ntu ) , nist traceable, ( 100 ml = 1 unit ) 4 supply of following standard solutions as per direction of engineer-in-charge. 5 supply of manganese standard solution traceable to srm from nist mn ( no3 ) 2 in hno3 0.5mol / l mn ( 100 ml = 1 unit ) 6 supply of holmium oxide solution reference material for the wavelength, according to dab, ph eur, nist-traceable n ( 3 x 10 ml = 1 unit ) 7 supply of potassium dichromate solution for absorbance according to ph eur, nist-traceable n ( 8 x 10 ml = 1 unit ) 8 supply of potassium chloride solution for stray light testing according to ph eur, nist-traceable n ( 3 x 10 ml = 1 unit ) 9 supply of toluene solution in hexane for testing the resolution power according to ph eur, nist-traceable n ( 8 x 10 ml = 1 unit ) 10 supply of following chemicals as per direction of engineer-in-charge. 11 supply of erichrome black t ( c.i. 14645 ) indicator for complexometry acs, reag. ph eur n ( 25 gm = 1 unit ) 12 supply of brila ( brilliant green bile lactose ) broth n ( 500 gm = 1 unit ) 13 supply of chloroform for analysis emsure® acs, iso, reag. ph eur n ( 2.5 lit = 1 unit ) 14 supply of 1, 8-dihydroxy-2- ( 4-sulfophenylazo ) naphthalene-3, 6- disulfonic acid trisodium salt gr for analysis ( reagent for fuoride, zirconium, thorium ) [ spands reagent ] n ( 25 gm = 1 unit ) 15 supply of potassium iodide for analysis emsure® iso, reag, ph eur n ( 500 gm = 1 unit ) 16 supply of hydrochloric acid about 37% for analysis n ( 2.5 lit = 1 unit ) 17 supply of sulphuric acid 95-97 % for analysis n ( 1 lit = 1 unit ) 18 supply of nitric acid about 69 % for analysis n ( 500 ml = 1 unit ) 19 supply of ammonia solution 25 % for analysis n ( 1 lit = 1 unit ) 20 supply of 1-10-phenanthroline monohydrate for analysis n ( 25 gm = 1 unit )