procurement of fine chemicals for ntpc rihand , thioglycolic acid,ar/gr/excelar/emparta , iso amyl alcohol,ar/gr/excelar/emparta , toluene,ar/gr/excelar/emparta , phenol,ar/gr/excelar/emparta , hexane,ar/gr/excelar/emparta , petroleum ether,c6h14,60-80deg.c , reagent: kf appln-water standard , universal indicator,500ml bottle , sodium meta bisulphite,ar , potassium hydroxide,ar/gr/excelar+ , acetone,ar , sodium hydroxide pellets,gr,500gm , oxalic acid,ar/gr/excelar/emparta , hydrochloric acid,ar/gr/excelar/emparta , karl fischer reagent,500ml , sulphuric acid,ar,98%,2.5l , o-tolidine,ar , nitric acid,ar/gr/excelar/emparta,2.5l , ammonium molybdate,ar,1kg , potassium chloride,ar/gr/excelar/emparta , ferrous (ferrozine),ar,1gm , buffer capsule,ph 4,20tab bottle , buffer capsule,ph 7,20tab bottle , buffer capsule,ph 9.2,20tab bottle , acetic acid glacial,ar/gr/excelar+ , eriochrome black t,ar,25gm , iso propyl alcohol,ar/gr/excelar/emparta , sodium standard solution,w/100 mg/l nacl => limited