English
Assay (alkalimetric): ≥ 49.5 %
Phosphorous acid and phosphoric acid (as H₃PO₃): ≤ 2
Chloride (Cl): ≤ 0.015 %
Total sulfur (as SO₄): ≤ 0.02 %
As (Arsenic): ≤ 0.0005 %
Ba (Barium): ≤ 0.005 %
Ca (Calcium): ≤ 0.005 %
Cd (Cadmium): ≤ 0.0001 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.001 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.10 %
Ni (Nickel): ≤ 0.0005 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.0001 %
