|
Grade |
APT-0 |
APT-1 | |
|
WO3 content %min |
88.5 |
88.5 | |
|
Content Impurity (Based on WO3 content) %max |
Al |
0.0005 |
0.0010 |
|
As |
0.0010 |
0.0010 | |
|
Bi |
0.0001 |
0.0001 | |
|
Ca |
0.0010 |
0.0010 | |
|
Cd |
0.0010 |
0.0010 | |
|
Co |
0.0010 |
0.0010 | |
|
Cr |
0.0010 |
0.0010 | |
|
Cu |
0.0003 |
0.0005 | |
|
Fe |
0.0010 |
0.0010 | |
|
K |
0.0010 |
0.0015 | |
|
Mg |
0.0005 |
0.0007 | |
|
Mn |
0.0005 |
0.0010 | |
|
Mo |
0.0020 |
0.0030 | |
|
Na |
0.0010 |
0.0015 | |
|
Ni |
0.0005 |
0.0005 | |
|
P |
0.0007 |
0.0010 | |
|
Pb |
0.0001 |
0.0001 | |
|
S |
0.0008 |
0.0010 | |
|
Sb |
0.0005 |
0.0010 | |
|
Si |
0.0010 |
0.0010 | |
|
Sn |
0.0002 |
0.0003 | |
|
Ti |
0.0010 |
0.0010 | |
|
V |
0.0010 |
0.0010 | |
