Assay (cerimetric): 98.0 - 100.5 %

Assay (cerimetric, calculated on dried substance): ≥ 99.0 %

Identity: passes test

Appearance of solution: passes test

Substances soluble in water: ≤ 0.5 %

Substances soluble in dilute hydrochloric acid: ≤ 0.5 %

Acidity or alkalinity: passes test

As (Arsenic): ≤ 0.0001 %

Ba (Barium): ≤ 0.0020 %

Fe (Iron): ≤ 0.005 %

Pb (Lead): ≤ 0.0005 %

Sb (Antimony): ≤ 0.0020 %

Zn (Zinc): ≤ 0.005 %

Loss on drying (105 °C; 3h): ≤ 0.5 %