System adaptability solution
| Column | Ultisil®AQ-C18（ 4.6×200mm，5μm) |
| Mobile Phase | Dilute phosphoric acid solution: take 11.5G phosphoric acid, add 88.5ml water, and shake well; Measure 23.5ml, add water to dilute to 1000ml, shake well and filter. Dilute phosphoric acid solution / acetonitrile = 94 / 6 |
| Detection | 209nm |
| Temperature | 30℃ |
| Flow Rate | 1ml/min |
| Injection Volume | 20ul |
| Note | / |
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