English
Assay (iodometric, calc. on dried substance): ≥ 99.0 %
Chloride (Cl): ≤ 0.002 %
Total nitrogen (N): ≤ 0.005 %
Fe (Iron): ≤ 0.015 %
Ni (Nickel): ≤ 0.005 %
Pb (Lead): ≤ 0.005 %
Zn (Zinc): ≤ 0.02 %
Substances not precipitated by hydrogen sulfide (as sulfate): ≤ 0.2 %
Loss on drying (250 °C): ≤ 0.5 %
