procurement of fine chemicals for ntpc mouda , chmcl:acetone lr:gr , acetonitrile ( hplc-grade ) , ammonia solution gr , ammonium acetate gr , ammonium chloride:ar/er/emparta grade , chmcl:ferrous ammonium sulphate , ammonium molybdate ar/gr/excellar , barium sulphate: ar/er/emparta , barium chloride dihydrate; ar/gr/excelar , calcium carbonate ar/gr/excelar grade , chloroformaranalit ( ar ) , chlorotex reagent:pure grade , cobaltous chloride . gr/excelar pack100gm , copper sulphate ar grade , dextrosearanalit ( ar ) , chmcl:dithiazone , edta disodium salt:ar/er/emparta grade , ferrospectra ( ferrozine ) :pure grade , hexane:ar/er/emparta grade , hydroxylamine hydrochloride ( ar/gr/exc ) , indigo carmine ar/gr/excelar , chmcl:labolene/exalin:gr , methyl orange:ar/er/emparta grade , methyl red indicator , buffer capsule:ph 4 . 0 , buffer capsule:ph 7 . 0 , buffer capsule:ph 9 . 2 , paraffin liquid colourless light:sq , para naphthol benzein indicator , chmcl:patton reeders reagent , chmcl:phenol , phenolpthalein powder:ar/gr/excelar , 5gm , potassium oxalate - ar/er/emparta , potassium chloride :ar grade , chmcl:potasium chromate ar:gr , potassium dihydrogen phosphate ar grade , potassium dichromate , potasum hydrogn pthalate:ar/er/emprta gr , potassium hydroxide ar/gr/excelar , potassium bromate;gr-tech ( tr ) , silica gel:self-indicating , course , name of chemical : silicon grease , chmcl:silver nitrate ar:gr , silver nitrate , n/10:ar/er/emparta grade , sodium acetate anhydrous; ar/ge/excelar , sodium carbonate:ar/er/emparta grade , sodium bicarbonate ar/gr/excelar , chmcl:sodium hydroxide pellets ar:gr , chmcl; sodium metabisulphite , sodium bisulphite:ar/er/emparta grade , sodium meta silicate ar/gr , sodium sulphate : ar/gr/excelar grade , sodium sulphite:ar/er/emparta grade , starch , soluble , ar/gr/excellar , 500gm , universal ph indicator ( range 0-14 ) - , xylenol orange indicator ar/gr grade , potassium iodide : ( gr ) , water standard- 0 . 01% ( part-1 . 88050 . 0010 , soln:reagent:merck-1 . 09257 . 0500 , soln:reagent:merck-1 . 88002 . 1000 , sodium molybdate , soln:reagent:merck-1 . 88020 . 1000 , n/10 sodium thiosulphate ampules:ar/er/e , soln:ph buffer soln:ph-4 buffer solution , soln:ph buffer soln:ph-7 buffer solution , soln:ph buffer soln:ph-10 buffer solutn , l- ascorbic acid ( ar ) , acetic acid:ar/er/emparta gr ( acid , liqud ) , formic acid ar/gr/excellar , hydrochloric acid ar/gr grade , acid:oxalic acid:ar/er/emparta grade , sulphuric acid : ( ar/gr/excelr ) , citric acid ar grade , n-pentane ar/gr/excelar , glycerol ar/gr/excelar ( assay-99% min ) , sodium hydroxide - amp n / 10 , alcohol:ethyl alcohol:ar/er/emparta grad , alcohol:toluene:ar/er/emparta grade , iso propyl - alcohol , zinc sulphate hepatahydrate , alchohol:methanol ar : ( gr ) , methanol dried for kf titr . ;ar/gr/excelr , pyrogallol , di-isopropylamine ( dipa ) soln . , hach , salicylic acid , mercuric thiocyanate : ( ar ) , eriochrome black t:sq/emplura , pottasium permanganate n/10 cvs ampules , ammonium metavandate ar/gr/excelr , anion standard el-electtrolytic , iron standard solution 1000 mg/l , copper standard solution ( 1000 ppm ) aas . , potassium standard soln 1000mg/litre , sodium standard solution 1000 mg / litre , silica standard : ( ar ) , conductivity std 84 microsiemens/cm , conductivity std 1413 microsiemens/cm , conductivity std 12 . 88 milli siemens/cm , conductivity std-100 ? s/cm:nist , conductivity std soln 5/cm:nist , oxalic acid dihydrate , sodium lauryl sulphate ar/gr/excellar , chmcl:ferrous ammonium sulphate , sulphuric acid ar/gr/excelar analy ( ar ) , edta-magnesium salt ( ar/gr/excelr )