Ammonium Paratungstate (APT) Content
The analysis of ammonium paratungstate(APT) as following:
Grade |
APT - 0 |
|||
Impurities (%Max.) |
WO3Content(≥%) |
88.5 |
||
Element |
Max |
Element |
Max |
|
Al |
0.0005 |
Na |
0.0010 |
|
As |
0.0010 |
Ni |
0.0005 |
|
Bi |
0.0001 |
K |
0.0010 |
|
Ca |
0.0010 |
P |
0.0007 |
|
Cd |
0.0010 |
Pb |
0.0001 |
|
Cr |
0.0010 |
S |
0.0008 |
|
Co |
0.0010 |
Sb |
0.0005 |
|
Cu |
0.0003 |
Si |
0.0010 |
|
Fe |
0.0010 |
Sn |
0.0002 |
|
Mg |
0.0005 |
Ti |
0.0010 |
|
Mn |
0.0005 |
V |
0.0010 |
|
Mo |
0.0020 |
Blanch loss |
11.5 |
|
Related Products:
0.6um yellow tungsten oxide is a kind of tungsten oxide, with a positive yellow powder appearance, stable properties at normal temperature and apparent density of 0.6-1.0g/cm3.
Ammonium metatungstate(AMT) is an important intermediate compounds of tungsten hydrometallurgical process, appearance is white crystalline powder, solubility in water is the largest in the tungsten compounds which over 300g WO3/100ml H2O (in 25℃).
Sodium tungstate, a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing it.
Purple Tungsten oxide is divided into WO2.72 (or W18O49). It is a kind of tungsten oxide. It is abbreviated as VTO. It is a purple finely grained crystalline powder, and its color usually appears purple or blue purple.