| 序号 | 组分 | 标准值 | 扩展不确定度(k=2) | 基体 |
|---|---|---|---|---|
| 1 | K | 4000μg/mL | 2% | 5%硝酸和微量氢氟酸 |
| Na | 4000μg/mL | 2% | ||
| Ca | 4000μg/mL | 2% | ||
| Mg | 4000μg/mL | 2% | ||
| Al | 1000μg/mL | 2% | ||
| Fe | 1000μg/mL | 2% | ||
| 2 | Sr | 200μg/mL | 3% | |
| B | 100μg/mL | 4% | ||
| Ba | 100μg/mL | 4% | ||
| Cu | 100μg/mL | 4% | ||
| Mn | 100μg/mL | 4% | ||
| Ti | 100μg/mL | 4% | ||
| Zn | 100μg/mL | 4% | ||
| As | 10μg/mL | 5% | ||
| Cd | 10μg/mL | 5% | ||
| Co | 10μg/mL | 5% | ||
| Cr | 10μg/mL | 5% | ||
| Ni | 10μg/mL | 5% | ||
| Pb | 10μg/mL | 5% | ||
| Se | 10μg/mL | 5% | ||
| Tl | 10μg/mL | 5% | ||
| V | 10μg/mL | 5% | ||
| 3 | Mo | 1μg/mL | 10% | |
| Sb | 1μg/mL | 10% | ||
| Sn | 1μg/mL | 10% | ||
| 4 | Hg | 1μg/mL | 10% |