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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.

Application:

The product can be used for glass frosting or extracting rare elements and used as a preservative or mordant.

Specification：HG/T 3586-1999

 

INDEX  NAME	INDEX
Purity as（NH4F · HF）, w/ % ≥	97.0
Ignition residue ( Sulfate ), w/% ≤	0.05
Chloride Content (Cl), w/% ≤	0.005
Sulphate（SO4）Content ，w/ % ≤	0.01
Fluorosilicate (SIF6), w/% ≤	0.5
Iron (Fe), w/ % ≤	0.005
Heavy metal (Pb), w/ % ≤	0.005

 

Storage:

Moistureproof and sealed preservation is needed.

Transport:

It should be treated as inorganic poisonous goods.

Packing:

The product is packed in a polythene plastic sack, 25kg net weight per sack Storage.