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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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