English
Assay (acidimetric): 99.0 - 102.0 %
Identity (IR-spectrum): passes test
Matter insoluble in sodium carbonate solution: ≤ 0.01 %
Chloride (Cl): ≤ 0.002 %
Nitrite (NO₂): ≤ 0.5 ppm
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
Sulfated ash: ≤ 0.01 %
