Appearance

White Crystal or White Powder

Purity(as Na2PO3F)

95.0~100.5%

F Combined in PO3F 2-

≥12.54%

Fluorine Ion (as F-)

≤0.68%

Total F

≥13.0%

pH (2% Solution)

6.5～8.0

Loss on Drying

≤0.2%

Water insoluble

≤0.15%

Arsenic (as As)

≤0.0002%

Lead (as Pb)

≤0.0002%

Heavy Metals (as Pb)

≤0.002%