Ammonium paratungstate |
Product data: |
Ammonium paratungstate |
Chemical structure formula: |
 |
CAS No: |
11120-25-5; 14311-52-5 |
Molecular formula: |
5(NH4)2O.12WO3.5H2O |
Molecular weight: |
3060.46 |
Specifications: |
Product Grade |
APT-0 (%) |
Main Content WO3 (%) |
=88.5 |
Impurity content (based on WO3) |
Al |
0.0005 |
As |
0.0010 |
Bi |
0.0001 |
Ca |
0.0010 |
Cd |
0.0010 |
Co |
0.0010 |
Cr |
0.0010 |
Cu |
0.0003 |
Fe |
0.0010 |
K |
0.0010 |
Mg |
0.0005 |
Mn |
0.0005 |
Mo |
0.0020 |
Na |
0.0010 |
Ni |
0.0005 |
P |
0.0007 |
Pb |
0.0001 |
S |
0.0008 |
Sb |
0.0005 |
Si |
0.0010 |
Sn |
0.0002 |
Ti |
0.0010 |
|
Grade |
Coarse grade |
Middle grade |
Fine grade |
Super fine grade |
Fisher method average particle size
(µm) |
>35 |
20-35 |
10-20 |
<10 |
|
Uses Applications: |
Used for producing other tungsten compound and used as the raw material for making tungsten. |
Packing and store: |
Outside- plastic woven bag or iron drums inside-polyethylene plastic bags, strictly sealed.
We also can pack according to customers’ demands.
Transportation and storage: avoid from damp and violent collision. |