| 本底值 | 加标1 μg/L | |||
| 测定值μg/L | 均值μg/L | RSD (%) | 加标回收率(%) | |
| 0 | 0.923 | 0.974 | 7.2 | 92.3 |
| 0 | 0.936 | 93.6 | ||
| 0 | 0.956 | 95.6 | ||
| 0 | 0.931 | 93.1 | ||
| 0 | 1.06 | 106 | ||
| 0 | 0.948 | 94.8 | ||
| 0 | 1.11 | 111 | ||
| 0 | 0.927 | 92.7 | ||