System adaptability solution
| Column | Welch Ultisil XB-C8 4.6×250mm，5μm |
| Mobile Phase | Methanol / acetonitrile / 0.075mol / L potassium dihydrogen phosphate solution / 1.0mol / L citric acid solution = 30:30:36:4 Adjust the pH to 7.0 with 10mol/L sodium hydroxide solution |
| Detector | 254nm |
| Temperature | 30℃ |
| Flow Rate | 1ml/min |
| Injection Volume | 20ul |
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