procurement for fine chemicals for ntpc talcher kaniha procurement for fine chemicals for ntpc talcher kaniha , ansa, ar / gr / excellar, 100 gm , ammonium molybdate ar / gr / excellar , chlorotex reagent:pure grade , disodium hydrogen phosphate ( anhydrous ) , ferrospectra ( ferrozine ) ar / gr / excelar , glycerol:grade:ar / gr / excelar: , hexane:ar / er / emparta grade , karl fisher reagent pyridine , teepol / labeline / extran ( in 5ltrs.packing , silica standard soln. ( liquid ) 500 ppb , potassium chloride :argrade , potassium dihydrogenorthophosphate ar / gr , potassium hydroxide pellets ar , chmcl:sodium hydroxide pellets ar:gr , sodium meta bisulphite ar grade , sodium sulphite:ar / er / emparta grade , thioglycolic acid ar , chmcl:tolune ar:gr , citric acid monohydrate as per is:5464 , oxalic acid ( ar ) , alcho petroeum spirit analy , acetone , iron standard solution 1000 mg / l , copper standard solution ( 1000 ppm ) aas. , sodium standard solution 1000 mg / litre , chmcl:buffer solution of ph-4.0 , chmcl:buffer solution of ph-7.0 , chmcl:buffer solution of ph-9.2 , chmcl:silver nitrate ar:gr => limited