English
Assay (acidimetric): ≥ 98.0 %
Substances insoluble in dilute hydrochloric acid: ≤ 0.01 %
Carbonate (as BaCO₃): ≤ 2.0 %
Chloride (Cl): ≤ 0.002 %
Sulphide (S): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.001 %
Sr (Strontium): ≤ 1.0 %
Substances not precipitated by dilute sulfuric acid (as sulfate): ≤ 0.2 %
