Assay (complexometric, Bi): ≥ 71.0 %
Chloride (Cl): ≤ 0.005 %
Ag (Silver): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.002 %
Fe (Iron): ≤ 0.002 %
NH₄ (Ammonium): ≤ 0.01 %
Pb (Lead): ≤ 0.005 %
Zn (Zinc): ≤ 0.001 %
Substances not precipitated by hydrogen sulfide (as sulfate): ≤ 0.5 %



