
Preparation and standardization of ceric ammonium sulfate
Ferroin Sulphate Solution. Transfer g of ferrous sulfate and 1,10phenanthroline hydrochloride in to a 100 ml volumetric flask containing 70 ml distilled water, shaken and finally diluted to 100 ml. Standardization of Ceric Ammonium Sulfate. Transfer g of arsenic trioxide dried at 105°C for 1 h into a 500 ml conical flask.