| 样品 | A | 加标回收率(%) | 平均加标回收率(%) | RSD (%) | |
| 1 | 0.730 | 98.53 | 93.61 | 2.9 | |
| 2 | 0.704 | 91.62 | |||
| 3 | 0.713 | 94.01 | |||
| 4 | 0.702 | 91.09 | |||
| 5 | 0.709 | 92.95 | |||
| 6 | 0.711 | 93.48 | |||
| 7 | 0.359 |
| |||