| 序号 | 组分 | 标准值 | 扩展不确定度(k=2) | 基体 |
|---|---|---|---|---|
| 1 | 铜 | 5.00mg/L | 5% | 1%硝酸 |
| 2 | 铜 | 0.50mg/L | 5% | |
| 3 | 铜 | 1.50mg/L | 5% | |
| 4 | 铜 | 2.50mg/L | 5% | |
| 5 | 铜 | 5.00mg/L | 5% | |
| 6 | 锌 | 1.00mg/L | 10% | |
| 7 | 锌 | 0.10mg/L | 10% | |
| 8 | 锌 | 0.30mg/L | 10% | |
| 9 | 锌 | 0.50mg/L | 10% | |
| 10 | 锌 | 1.00mg/L | 10% | |
| 11 | 铅 | 10.00mg/L | 5% | |
| 12 | 铅 | 1.00mg/L | 5% | |
| 13 | 铅 | 3.00mg/L | 5% | |
| 14 | 铅 | 5.00mg/L | 5% | |
| 15 | 铅 | 10.00mg/L | 5% | |
| 16 | 镉 | 1.00mg/L | 10% | |
| 17 | 镉 | 0.10mg/L | 10% | |
| 18 | 镉 | 0.30mg/L | 10% | |
| 19 | 镉 | 0.50mg/L | 10% | |
| 20 | 镉 | 1.00mg/L | 10% |