English
Assay (potentiometric): ≥ 99.0 %
Solution in water: passes test
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Mn (Manganese): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %
Substances not precipitated by ammonium sulfide (as sulfate): ≤ 0.2 %
