English
Assay (manganometric): ≥ 97.0 %
Substances insoluble in acid: ≤ 0.02 %
Sulfate (SO₄): ≤ 0.05 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.01 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.02 %
Na (Sodium): ≤ 0.05 %
Pb (Lead): ≤ 0.02 %
Substances not precipitated by hydrogen sulfide (as SO₄): ≤ 0.5 %
Corresponds to ACS
