Item

Specification

Appearance

White Powder

Total Phosphate (as P2O5 ) %

≥68.0

Inactive Phosphate (as P2O5) %

≤7.5

Iron (Fe) %

≤0.02

Arsenic (As)   %

≤0.0003

Heavy Metal (as Pb)   %

≤0.001

Fluoride (as F) %

≤0.003

Water Insoluble %

≤0.06

PH (1% aqueous solution)

5.8~6.5