组分 | 测定值/(mg/L) | 平均值 /(mg/L) | 标准偏差S | 相对标准偏差 RSD/% | ||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | ||||
乙醛 | 18.14 | 19.85 | 18.55 | 21.02 | 19.02 | 18.46 | 18.23 | 19.04 | 1.05 | 5.52 |
| 30.05 | 29.65 | 29.20 | 30.15 | 29.60 | 30.24 | 30.12 | 29.86 | 0.38 | 1.28 |
| 41.96 | 40.41 | 41.31 | 38.24 | 41.73 | 42.07 | 40.33 | 40.86 | 1.35 | 3.31 |
| 49.70 | 50.91 | 51.31 | 47.96 | 48.01 | 47.64 | 52.16 | 49.67 | 1.84 | 3.70 |
丙醛 | 20.63 | 21.22 | 18.42 | 20.91 | 20.79 | 21.57 | 20.56 | 20.59 | 1.02 | 4.94 |
| 28.30 | 27.99 | 27.21 | 28.07 | 28.97 | 28.54 | 28.38 | 28.21 | 0.55 | 1.94 |
| 40.18 | 42.94 | 37.76 | 38.42 | 41.38 | 41.77 | 41.03 | 40.05 | 1.85 | 4.57 |
| 53.14 | 53.96 | 47.57 | 47.69 | 50.80 | 51.89 | 47.57 | 50.37 | 2.77 | 5.49 |