| Molecular formula |
NH4HF2 |
| Molecular weight |
57.04 |
| CAS NO |
1341-49-7 |
| Characters |
White orthorhombic crystal |
| Use |
Used for carving for china and glass. |
| Specification |
Analytically pure , chemically pure |
| Executive standard |
GB/T 1278-1994 |
| Technical index |
|
Name
|
Analytically pure (%) |
Chemically pure(%) |
|
Content
|
≥98.0
|
≥97.0 |
|
Ignition residue(Sulfate)
|
≤0.01
|
≤0.05 |
|
Chloride(Cl)
|
≤0.001
|
≤0.005 |
|
Sulfate(SO4)
|
≤0.005
|
≤0.01 |
|
Fluosilicate (SiF6)
|
≤0.2
|
≤0.5 |
|
Ferrum(Fe)
|
≤0.001
|
≤0.005 |
|
Heavy metal(Pb)
|
≤0.002 |
≤0.005 |
|
| Packing |
500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing |
