组分 | 本底浓度/(mg/L) | 添加值/(mg/L) | 平均测定值/(mg/L) | 平均回收率/% |
乙醛 | 0 | 15.05 | 14.39 | 95.63 |
|
| 23.52 | 25.08 | 106.61 |
|
| 31.65 | 32.20 | 101.75 |
| 10.45 | 10.45 | 21.52 | 105.96 |
|
| 15.05 | 26.42 | 106.11 |
|
| 23.52 | 34.06 | 100.38 |
| 15.05 | 15.05 | 30.05 | 99.67 |
|
| 23.52 | 39.25 | 102.87 |
|
| 31.65 | 49.12 | 107.66 |
丙醛 | 0 | 15.57 | 13.60 | 87.33 |
|
| 24.35 | 26.81 | 110.10 |
|
| 32.18 | 33.41 | 103.82 |
| 10.56 | 10.56 | 21.39 | 102.57 |
|
| 15.57 | 27.42 | 108.28 |
|
| 24.35 | 35.53 | 102.56 |
| 15.57 | 15.57 | 31.92 | 105.01 |
|
| 24.35 | 40.47 | 102.27 |
|
| 32.18 | 50.38 | 108.16 |