Reference substance(Diluted 20 times)
Morphine
| Column | Welch Ultisil XB-C8 4.6×150mm，3μm (P/N: 00202-21041) |
| Mobile Phase | Acetonitrile-0.0025mol/L sodium heptanesulfonate-0.05mol/L potassium dihydrogen phosphate (5:18:18) |
| Detector | 220nm |
| Temperature | 24℃ |
| Flow Rate | 0.7ml/min |
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