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Assay (iodometric): ≥ 99.0 %
Identity: passes test
Chloride (Cl): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.003 %
NH₄ (Ammonium): ≤ 0.05 %
Cr (Chromium): ≤ 0.001 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Mn (Manganese): ≤ 0.0001 %
Pb (Lead): ≤ 0.001 %
Loss on drying (105 °C; 3 hours): ≤ 0.05 %
