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% |