This standard establis es the method for determining the arsenic content in technical hydrochloric acid by means of silver diethyldithiocarbamate in the presence of arsenic contents in the range of 0.000 01 to 0.000 2% m/m.
NC 24-48-1985 history
1985NC 24-48-1985 Inorganic Chemical Products Technical Clorhydric Acid. Determination of Arsenic