Comparison of the influence of flow rate on chromatographic parameters
| Retention time | Peak symmetry | |||
|---|---|---|---|---|
| Flow rate | Bupivacaine | Fentanyl | Bupivacaine | Fentanyl |
| 1.0 ml/min | 14.66 | 22.78 | 2.96 | 1.65 |
| 1.2 ml/min | 12.19 | 18.92 | 2.93 | 1.64 |
| 1.5 ml/min | 9.81 | 15.46 | 2.72 | 1.73 |
| 1.7 ml/min | 8.63 | 13.33 | 2.67 | 1.57 |