Tungsten trioxide is one of the materials used for the preparation of lanthanum tungsten electrode, whose main composition is WO3, and its impurities are Al, Ca, Cu, Ni and the like.
|
Grade |
WO3 (%,min) |
Impurity content % （max ） |
|||||||
|
Ni |
Mo |
Cu |
Al |
S |
K |
Mg |
Pb |
||
|
WO₃-1 |
99.95 |
0.0007 |
0.002 |
0.0003 |
0.0005 |
0.0007 |
0.001 |
0.0005 |
0.0001 |
|
WO₃-2 |
99.5 |
- |
0.03 |
- |
0.0015 |
0.006 |
0.005 |
0.01 |
- |
|
Impurity content %（max） |
|||||||||
|
Ca |
Na |
Bi |
As |
Mn |
Sb |
Fe |
P |
Si |
Ti |
|
0.0015 |
0.001 |
0.0001 |
0.001 |
0.0005 |
0.0003 |
0.001 |
0.0007 |
0.001 |
0.001 |
|
0.01 |
0.005 |
- |
0.01 |
- |
- |
0.04 |
0.004 |
0.005 |
- |
Tungsten Metals Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten.com.cn
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn