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Potassium fluoride |
Molecular formula : KF
Molecular weight : 58.10
Property : Colorless cubic crystal, M.P. 858°C; easily soluble in water, soluble in fluohydric acid and liquid ammonia.
Use : Etching glass, antiseptics for food, pesticides, welding fluxing agent, pesticides, absorbent, fluridizer, analytical reagent and used as the raw material for making acid potassium fluoride
Specification : GB4293--84
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Index name |
First grade |
Second grade |
Third grade |
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Content of potassium fluoride (KF) %, ≥
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97.0 |
95 |
84 |
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Free acid (base on HF) %,≤
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0.7 |
3
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10
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Free alkali (K2CO3) %,≤
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0.3
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0.5
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2.0
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Water content (H2O) % ,≤ |
0.3
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0.5
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1.0 |
Casing : Plastic woven bag lined with high-pressure polythene plastic bag, net weight 50 kg
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Molecular formula : KF.2H2O
Molecular weight : 94.13
Property : Colorless cubic crystal, easily soluble in water, soluble in hydrofluoric acid and liquid ammonia;
Use : Etching glass, corrosion protection for glass, fluxing agent for welding, pesticides, fluorating agent and absorbent, analytical reagent and raw material for making acid potassium fluoride.
Quality standard : Enterprise standard
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Index name |
Special grade |
First grade |
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Potassium Fluoride (KF) %, ≥ |
99.0 |
98.0 |
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Clarity test |
check out |
check out |
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Free acid (base on HF) %,≤ |
0.1 |
0.2 |
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Free alkali(base on KOH) %,≤ |
0.1 |
0.2 |
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Chloride (Cl) %,≤ |
0.02 |
0.05 |
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Sulfate (SO4) %,≤ |
0.1 |
0.2 |
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Fluosilicate (base on SiF6) %,≤ |
0.5 |
0.8 |
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Iron (Fe) %,≤ |
0.005 |
0.05 |
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Heavy metal (base on Pb) %,≤ |
0.01 |
0.05 |
Casing : 25kg plastic woven bag with plastic liner.
Click here to safety data |
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