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Tel: +86-599-6654866/6654968
Fax: +86-599-6655755 High-purity Chemicals Dept.
Tel: +86-599-6655536/6654968
Fax: +86-599-6655755
Products
Chemical Reagent Ammonium Bifluoride
Quality Standard：GB/T 1278-1994
Molecular Formula：NH4HF2Molecular Weight：57.05
Item
Index
A.R.
C.P.
Ammonium Bifluoride (NH4HF2) w/% ≥
98.0
97.0
Ignition residue（Sulfate） w/% ≤
0.01
0.05
Chloride（Cl） w/% ≤
0.001
0.005
Sulfate（以SO4計） w/% ≤
0.005
0.01
Fluorosilicate（SIF6） w/% ≤
0.2
0.5
Fe w/% ≤
0.001
0.005
Heavy metal（Pb） w/% ≤
0.002
0.005
Properties：
The product is a rhombohedra 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’s poisonous. Application：
The product can be used for glass frosting or extracting rare elements and used as a preservative or a mordant. Storage：
Moisture-proof and sealed preservation is needed. Transport：
It should be treated as inorganic poisonous goods. Packing：
The product is packed in a 25kg polythene plastic bag. Also pack it on consumer requests.
