Chromic Chloride or Chromium Chloride contains not less than 98.0 percent and not more than 101.0 percent of CrCl3·6H2O.
Insoluble matter—0.01%).
Substances not precipitated by ammonium hydroxide— (0.20% as sulfate).
Sulfate— (0.01%).
Iron— The limit is 0.01%.