Hexafluorosilicic acid
- Số CAS
- 16961-83-4
- Khối lượng phân tử
- 144.09
- Công thức phân tử / ký hiệu hóa học
- H2SiF6
Mô tả
Colorless transparent liquid.ỨNG DỤNG
Mainly used in producing fluorine sodium
silicate, potassium fluosilicate fluosilicic acid, ammonium, and other
fluorosilicate and four silicon fluoride. Also used in electroplating wood
preservation brewing industry equipment disinfection and lead tin of
electrolytic refining. Also can be used in the preparation of industrial paint
processing porcelain products, in addition is also used for cement hardening
agent.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
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Product name |
fluosilicic acid |
CAS：16961-83-4 |
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Apearance |
Colorless Transparent Liquid |
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Test items |
estimated value |
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|
guarantee reagent |
analytically pure |
chemically pure |
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|
H2SiF6 |
30.0-32.0 |
30.0-32.0 |
28.0-32.0 |
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Do not contain hydrofluoric acid test |
qualified |
qualified |
qualified |
|
|
Ignition residue (in sulfate meter) |
≤ 0.01 |
0.04 |
0.08 |
|
|
(Cl) |
≤ 0.005 |
0.01 |
0.05 |
|
|
(SO4) |
≤ 0.001 |
0.005 |
0.02 |
|
|
（Fe) |
≤ 0.001 |
0.002 |
0.004 |
|
|
Heavy metal (Pb meter) |
≤ 0.001 |
0.002 |
0.005 |
|