Assay (complexometric, CoSO₄ 7 H₂O): ≥ 99 %
Chloride (Cl): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Ni (Nickel): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %



