Potassium fluoride
- Số CAS
- 7789-23-3
- Khối lượng phân tử
- 58.10
- Công thức phân tử / ký hiệu hóa học
- FK
Mô tả
White monoclinic crystal or crystalline powder. Taste salty. Easily absorb moisture. Soluble in water, soluble in ethanol. Its water solution is alkaline, corrosion glass and porcelain.ỨNG DỤNG
Used for glass sculpture, food
anticorrosion, electroplating. Used for welding fusing agent, pesticides,
organic compounds fluorinating agent, catalyst, absorption agent (absorption HF
and water) and fluoride salt, etc. Is also preparing potassium hydrogen
fluoride of raw materials.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
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Product name |
potassium fluoride |
CAS：7789-23-3 |
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Apearance |
White monoclinic crystal or crystalline powder。 |
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Test items |
estimated value |
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electronic grade |
guarantee reagent |
analytically pure |
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Content assay,% |
≥99.5 |
≥99.5 |
99.00 |
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|
（Cl） |
≤0.005 |
≤0.002 |
≤0.002 |
|
|
（SO42-） |
≤0.002 |
≤0.01 |
≤0.01 |
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|
（Fe） |
≤0.0010 |
≤0.0005 |
≤0.0005 |
|
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heavy metal |
≤0.0010 |
≤0.0010 |
≤0.0010 |
|
|
Na/Cd/Ca/Si/Mg/Al/B/Pb/Cr |
≤1PPM |
≤1PPM |
|
|
|
Hg/As |
Not Detected |
|
|
|
|
（HF）％ |
≤0.05 |
≤0.05 |
≤0.05 |
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|
（K2CO3）％ |
≤0.05 |
≤0.05 |
≤0.05 |
|
|
（K2SiF6） |
≤0.02 |
≤0.02 |
≤0.05 |
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