Assay (argentometric): ≥ 99.5 %

Assay (argentometric; calculated on dried substance): 99.5 - 100.5 %

Identity: passes test

Appearance of solution: passes test

Insoluble matter: ≤ 0.01 %

Alkaline reacting substances: passes test

pH-value (5 %; water): 6.0 - 9.0

Chloride and Bromide (as Cl): ≤ 0.01 %

Iodate (IO₃): ≤ 0.0003 %

Phosphate (PO₄): ≤ 0.001 %

Sulfate (SO₄): ≤ 0.002 %

Thiosulfate (S₂O₃): passes test

Total nitrogen (N): ≤ 0.002 %

Heavy metals (as Pb): ≤ 0.0005 %

Ba (Barium): ≤ 0.002 %

Ca (Calcium): ≤ 0.001 %

Cu (Copper): ≤ 0.0001 %

Fe (Iron): ≤ 0.0005 %

K (Potassium): ≤ 0.01 %

Mg (Magnesium): ≤ 0.001 %

Ni (Nickel): ≤ 0.00001 %

Pb (Lead): ≤ 0.0001 %

Loss on Drying (105 °C): ≤ 0.5 %