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Potassium fluoride
admin2019-06-04 4978


Molecular formula: KF

Molecular Weight: 58.10。

Quality Standard: GB4293-84

Physical and chemical properties:

Colorless cubic crystal, melting point 858℃, easy to dissolve in water, soluble in hydrofluoric acid, liquid ammonia, aqueous solution is acidic.

Product usage:

Glass etching, food anticorrosion, welded solvents, insecticides, fluorinated agents and absorbers, analytical reagents and raw materials for the production of acid potassium fluoride, etc.

Index name

 Premium Grade

 First Grade

Qualified

Potassium fluoride(KF)%

≥99

≥98

≥96

 Potassium Chloride(KCI)

≤0.33

≤0.5

≤0.7

Moisture%

≤0.3

≤0.4

≤0.5

Free acid(HF)%

≤0.1

≤0.1

≤0.1

KOH%

≤0.1

≤0.1

≤0.1

Sulfate(SO4)%

≤0.1

≤0.2

≤0.3

Fluoride silicate(H2SiF6)%

≤0.1

≤0.2

≤0.3

Iron Fe%

≤0.01

-

-

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