supply of laboratory chemicals supply of laboratory chemicals , 1-naphthol benzene ar , 1-pentane sulphonic acid sodium salt ar , 2, 3 dimethylaniline ar , 2-methoxy ethanol ar , 4-amino antipyrine ar , 4-dimethylaminobenzaldehyde ar , acetic acid glacial ar , acetic anhydride ar , acetonitrile hplc grade , ammionium ferric sulphate dodecahydrate ar , arsenic trioxide ar , bromocresol purple powder ar , bromophenol blue powder ar , crystel violet powder ar , cuprous chloride ar , diethyl amine ar , diethyl ether ar , diethylene glycol ar , dimethyl yellow ar , dioctyl sodium sulfosuccinate ar , diphenylamine ar , dithizone ar , eriochrome black ar , ferric ammonium citrate ar , folins ciocalteau reagent - protein estimation grade , hydrochloric acid , hydrogen peroxide ar , hydroxylamine hydrochloride ar , iso octane ar , mercuric iodide red ar , methane sulphonic acid sodium salt ar , methyl red powder , oracet blue b , oxalic acid ar , pepsin ar , periodic acid ar , petroleum ether light 40-600c , phenolphthalein solution ar , potassium iodide ar , sodium acetate trihydrate ar , sodium hydroxide ar , sodium nitrite ar , sodium sulphite ar , stannous chloride ar , sulphanilic acid ar , tetra methyl ammonium hydroxide 10% aquous solution ar , thioacetamide ar , trypsin ar , urea ar , zinc sulphate heptahydrate ar