北京晶品赛思科技有限公司
| 序号 | 组分 | 标准值 | 不确定度 |
|---|---|---|---|
| 1 | Ba | 0.0051 | |
| 2 | Fe | 18.49 | |
| 3 | Ca | 0.21 | |
| 4 | O | (0.690) | |
| 5 | Mg | 0.0072 | |
| 6 | Sn | 0.0004 | |
| 7 | B | 0.0032 | |
| 8 | Co | 0.0016 | |
| 9 | Al | 0.62 | |
| 10 | As | 0.0004 | |
| 11 | V | 0.0014 | |
| 12 | Mo | 0.0006 | |
| 13 | Ti | 0.04 | |
| 14 | Cu | 0.03 | |
| 15 | Ni | 0.0031 | |
| 16 | Cr | 0.0033 | |
| 17 | S | 0.004 | |
| 18 | P | 0.019 | |
| 19 | Mn | 0.048 | |
| 20 | Si | 79.54 | |
| 21 | C | 0.062 |