Assay (perchloric acid titration): ≥ 99.0 %

Identity: passes test

Appearance of solution: passes test

Insoluble matter: ≤ 0.01 %

pH-value (5 %; water): 7.0 - 9.2

Chloride (Cl): ≤ 0.002 %

Phosphate (PO₄): ≤ 0.001 %

Sulfate (SO₄): ≤ 0.003 %

Heavy metals (ACS): ≤ 0.001 %

Al (Aluminium): ≤ 0.001 %

Ca (Calcium): ≤ 0.005 %

Cu (Copper): ≤ 0.0003 %

Fe (Iron): ≤ 0.001 %

K (Potassium): ≤ 0.05 %

Mg (Magnesium): ≤ 0.002 %

Loss on drying (120 °C): ≤ 1.0 %

Corresponds to ACS,Reag. Ph Eur