Properties:
Molecular Formula:NH4HF2
Molecular Weight :57.05
The product is rhombohedral or flaky crystal. It can deliquesce easily and dissolve easily in water. It can dissolve in alcohol slightly. It can be resolved when it is affected by the heat or it is in hot water. It can corrode glass. It is poisonous.
Specification:HG/T 3586-1999
INDEX NAME | INDEX | ||
A | B | C | |
Purity as (NH4F · HF) ≥ % | 98.0 | 97.0 | 95.0 |
Dried Weightlessness ≤ % | 1.5 | 3.0 | 5.0 |
Residue Content ≤ % | 0.15 | 0.2 | 0.2 |
Sulphate(SO4) Content ≤ % | 0.1 | 0.1 | 0.1 |
Ammonium Fluorosilicate (NH4) 2SiF6Content ≤% | 1.0 | 2.0 | 4.0
|
Application:
The product can be used for glass frosting or extracting rare elements and used as a preservative or mordant.
Packing:
The product is packed in a polythene plastic sack, 25kg net weight per sack Storage.
Transport:
It should be treated as inorganic poisonous goods.
Stroage:
Moistureproof and sealed preservation is needed.
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