北京晶品赛思科技有限公司
| 序号 | 组分 | 标准值 | 不确定度 |
|---|---|---|---|
| 1 | Cu | 580 | |
| 2 | Pb | 188 | |
| 3 | Zn | 338 | |
| 4 | Cd | 14.7 | |
| 5 | Ni | 33.2 | |
| 6 | Cr | 71.9 | |
| 7 | As | 84.7 | |
| 8 | Hg | 0.202 | |
| 9 | Mn | 854 | |
| 10 | Co | 18.4 | |
| 11 | Mo | 4.17 | |
| 12 | V | 81.4 | |
| 13 | Tl | 0.914 | |
| 14 | Be | 1.77 | |
| 15 | Sb | 10.0 |