| 浓度水平 | 1 | 2 | 3 | 4 | 5 | 6 | RSD(%) |
| 2.78 | 2.76 | 2.75 | 2.79 | 2.77 | 2.80 | 2.80 | 0.73 |
| 5.56 | 5.58 | 5.57 | 5.54 | 5.52 | 5.59 | 5.55 | 0.47 |
| 11.11 | 11.1 | 11.1 | 11.2 | 11.0 | 11.0 | 11.1 | 0.68 |