Customization: | Available |
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CAS No.: | 7664-39-3 |
Formula: | Hf |
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inspection item | inspection item |
inspection item |
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superior product |
top quality goods |
qualified product |
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HF(%)≥ |
99.98 |
99.96 | 99.92 | 99.80 | 99.9912% |
H2O(%)≤ |
0.003 | 0.005 | 0.020 | 0.050 | 0.0018% |
SO2(%)≤ |
0.003 | 0.005 | 0.010 | 0.030 | 0.0028% |
non-volatile acid (%)(H2SO4)≤ |
0.005 | 0.005 | 0.010 | 0.050 | 0.0028% |
H2SiF6 (%)≤ |
0.005 | 0.008 | 0.015 | 0.050 | 0.0014% |
requirement of the surface |
At low temperature or under certain pressure, it is a colorless transparent liquid with a strong pungent smell and smoke in the air. |