| Molecular formula |
HF |
| Molecular weight |
20.01 |
| CAS NO |
7664-39-3 |
| Characters |
Colorless transparent smoking liquid |
| Use |
Used to test silicon, metallurgy analysis, etc. |
| Specification |
Analytically pure 40%-50%, chemically pure40%-50%, industrial grade20%-50% |
| Executive standard |
GB/T 620-1993. |
| Technical index |
|
Name
|
Excellent grade pure(%)
|
Analytically pure (%)
|
Chemically pure(%)
|
| Ignition residue(Sulfate) |
≤0.001
|
≤0.002
|
≤0.01
|
| Chloride(Cl) |
≤0.0005
|
≤0.001
|
≤0.005
|
|
Sulfate and sulfite(SO4)
|
≤0.001
|
≤0.002
|
≤0.005
|
|
Phosphate(PO4)
|
≤0.0001
|
≤0.0002
|
≤0.0005
|
|
Fluosilicate (SiF6)
|
≤0.02
|
≤0.04
|
≤0.06
|
|
Ferrum(Fe)
|
≤0.00005
|
≤0.0001
|
≤0.0005
|
|
Heavy metal(Pb)
|
≤0.0001
|
≤0.0005
|
≤0.001
|
|
| Packing |
500ml for bottle packing, 25kg for pail packing. |
