Add: 18#, Xin'An Road, Shaowu City, Fujian, China International Trade Dept.
Tel: +86-599-6655932/6654968
Fax: +86-599-6654591 Home Trade Dept.
Tel: +86-599-6654866/6654968
Fax: +86-599-6655755 High-purity Chemicals Dept.
Tel: +86-599-6655536/6654968
Fax: +86-599-6655755
Products
Reagent Ammonium Fluoride
Quality Standard：GB/T 1276-1999
Molecular Formula：NH4FMolecular Weight：37.04
Item
Index
G.R.
A.R.
C.P.
Ammonium Fluoride (NH4F) % ≥
96.0
96.0
95.0
Clarify Degrees Test
qualified
qualified
qualified
Ignition Residue（Express as SO4） % ≤
0.005
0.02
0.05
Free Acid(Express as NH4HF2) % ≤
0.2
0.5
1.0
Free Alkali
qualified
qualified
qualified
Chloride（Cl） % ≤
0.0005
0.005
0.01
Sulfate（Express as SO4） % ≤
0.005
0.01
0.02
Fluosilicate % ≤
0.08
0.30
0.60
Fe % ≤
0.0005
0.002
0.004
Heavy metal（Express as Pb） % ≤
0.0005
0.001
0.002
Properties：
The product is a white powdery 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 10kg or 20kg polythene plastic bag. Also pack it on consumer requests.
