北京晶品赛思科技有限公司
| 序号 | 组分 | 标准值 | 不确定度 |
|---|---|---|---|
| 1 | Al | 1 | 2 |
| 2 | As | 0.5 | 2 |
| 3 | Ba | 0.5 | 2 |
| 4 | Ca | 1 | 3 |
| 5 | Cd | 0.5 | 2 |
| 6 | Cr | 0.5 | 2 |
| 7 | Cu | 0.5 | 2 |
| 8 | Fe | 0.5 | 2 |
| 9 | K | 1 | 3 |
| 10 | Mg | 0.5 | 4 |
| 11 | Mn | 0.5 | 2 |
| 12 | Na | 1 | 4 |
| 13 | Ni | 0.5 | 2 |
| 14 | Pb | 1 | 2 |
| 15 | Se | 1 | 2 |
| 16 | Zn | 0.5 | 2 |