Inspect items Specifications
Assay (HClO₄), % 70.0-72.0
Insoluble matter in ethanol, % ≤0.002
Ignition residue (as sulfate), % ≤0.006
Chlorate (ClO₃), % ≤0.002
Chloride (Cl), % ≤0.0003
Free chlorine (Cl), % ≤0.001
Sulfate (SO₄), % ≤0.001
Total nitrogen (N), % ≤0.001
Color, hazen ≤15
Phosphate (P0₄), % ≤0.0005
Silicate (as SiO₃), % ≤0.005
Iron (Fe), % ≤0.0001
Copper (Cu), % ≤0.00005
Lead (Pb), % ≤0.00005