北京晶品赛思科技有限公司
| 序号 | 组分 | 标准值 | 不确定度 |
|---|---|---|---|
| 1 | 纯度 | 99.99 | |
| 2 | Bi | <0.0003 | |
| 3 | Sb | <0.0003 | |
| 4 | Sn | <0.0003 | |
| 5 | AS | <0.0008 | |
| 6 | S | <0.001 | |
| 7 | C | <0.005 | |
| 8 | Pb | <0.0003 | |
| 9 | Cd | <0.0003 | |
| 10 | Zn | <0.001 | |
| 11 | Cu | <0.0015 | |
| 12 | Mn | <0.001 | |
| 13 | P | <0.001 | |
| 14 | Mg | <0.001 | |
| 15 | Fe | <0.002 | |
| 16 | Al | <0.001 | |
| 17 | Si | <0.001 |