Assay (complexometric, MnSO₄·H₂O): 98.0 - 101.0 %
Assay (complexometric, calc. on the ignited basis): 99.0 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.005 %
Na (Sodium): ≤ 0.005 %
Ni (Nickel): ≤ 0.0005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %
Substances reducing potassium permanganate: passes test
Loss on ignition (500 °C): 10.0 - 12.0 %