| Molecular formula |
KHF2 (KF.HF) |
| Molecular weight |
78.10 |
| CAS NO |
7789-29-9 |
| Characters |
Colorless square crystal |
| Use |
Used to produce fluorin and glasses |
| Specification |
Analytically pure , chemically pure, industrial grade |
| Executive standard |
Q/320684NE1701-2004. |
| Technical index |
|
Name
|
Analytically pure (%)
|
Chemically pure(%)
|
Industrial grade(%)
|
|
Content
|
≥99.0
|
≥99.0
|
≥98.0
|
|
Chloride(Cl)
|
≤0.005
|
≤0.01
|
≤0.05
|
|
Sulfate(SO4)
|
≤0.01
|
≤0.03
|
≤0.05
|
|
Fluosilicate (以SiO3计)
|
≤0.01
|
≤0.01
|
≤0.2
|
|
Ferrum(Fe)
|
≤0.0005
|
≤0.001
|
≤0.005
|
|
Heavy metal(Pb)
|
≤0.002
|
≤0.005
|
≤0.005
|
|
Clarity test
|
qualified
|
qualified
|
----
|
|
High adicity chlorine test
|
qualified
|
qualified
|
----
|
|
Moisture(loss on drying in the temperature of 120°C)
|
0.05
|
0.08
|
0.2
|
|
| Packing |
500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing |
