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产品杂质含量 Imourity |
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杂质含量,%不大于 Content Imourity content,%MAX |
牌号Grade |
W03-0 |
W03-1 |
Al |
0.0005 |
0.001 |
As |
0.001 |
0.001 |
Bi |
0.0001 |
0.0001 |
Ca |
0.001 |
0.001 |
Co |
0.001 |
0.001 |
Cr |
0.001 |
0.001 |
Cu |
0.0003 |
0.0005 |
Fe |
0.001 |
0.001 |
K |
0.001 |
0.0015 |
Mg |
0.0007 |
0.001 |
Mn |
0.0005 |
0.001 |
Mo |
0.002 |
0.005 |
Na |
0.001 |
0.0015 |
Ni |
0.0007 |
0.0007 |
P |
0.0007 |
0.001 |
Pb |
0.0001 |
0.0001 |
S |
0.0007 |
0.001 |
Sb |
0.0005 |
0.001 |
Si |
0.001 |
0.001 |
Sn |
0.0002 |
0.0005 |
Ti |
0.001 |
0.001 |
V |
0.001 |
0.001 |
WO3 |
0.5 |
0.5 |
loss of WO3AT CALCINATION |
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