Appearance

White powder

White powder

White powder

Sodium monofluorophosphate (Na2PO3F),%

≥93 . 0

91.7 ~ 100.5

≥98

Total fluorine(F),%

≥12.7

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≥13.25

Free fluoride(F),%

≤1.2

≤1.2

≤0.30

Binding fluorine (F)%

≥12.3

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≥12.95

Arsenic(As)%

≤0.0003

≤0.0003

≤0.0003

Heavy metal(Pb), %

≤0.005

≤0.005

≤0.005

PH value(2% water solution)

6 . 5-8.0

6 . 5-8.0

6 . 5-8.0

Loss on drying,%

≤0 . 2

≤0 . 2

≤0 . 1

Organic Volatile Impurities

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