Analytically pure-AR

High pure

Assay

≥99.0%

≥98.0%

Water insoluble matter

≤0.005

≤0.01

Free acid (H₂SO₄)

≤0.05

——

Chloride (Cl)

≤0.002

≤0.002

Phosphate (PO₄)

≤0.005

——

Calcium (Ca)

≤0.05

≤0.05

Iron (Fe)

≤0.001

≤0.001

Arsenic (As)

≤0.0002

≤0.001

Heavy metal (Pb)

≤0.001

≤0.001