System suitability solution
| Column | Ultisil® XB-C18（ 4.6×250mm，5μm) |
| Mobile Phase | Ammonium dihydrogen phosphate solution (ph4.4): 20.7g ammonium dihydrogen phosphate, add 1800ml water to dissolve it, adjust the pH value to 4.4 with phosphoric acid, mix well, and filter. Ammonium dihydrogen phosphate solution (ph4.4) / acetonitrile = 90 / 10 |
| Detection | 280nm |
| Temperature | 30℃ |
| Flow Rate | 1.0ml/min |
| Injection Volume | 20ul |
| Note | / |
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