Initial pressure：122bar
Reference solution of paeoniflorin
| Column | Welch Ultisil Plus C18 4.6×250mm，5μm (P/N: 00260-31043) |
| Mobile Phase | Acetonitrile -0.1% phosphoric acid solution =14:86（mixed） |
| Detector | 230nm |
| Temperature | 25℃ |
| Flow Rate | 1 ml/min |
| Injection Volume | 10µl |
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