Appearance

White Crystalline Powder

Purity [K2S2O8]

99.0% min

Iron ( Fe)

0.001% max

Heavy metal (Pb)

0.0005% max

Moisture

0.15% max

Ammonium Salt ( NH4)

0.5% max

Free Acid (H2SO4)

0.10% max

Active oxygen

5.86% max

Chloride and chlorate ( Cl-)

0.01% max

Manganese

0.0001% max