English
Assay (alkalimetric): 99.5 - 100.5 %
Insoluble matter: ≤ 0.005 %
pH-value (1 %; water): 5.0 - 7.0
Chloride (Cl): ≤ 0.003 %
Sulfate (SO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Corresponds to ACS
