Cefprozil Capsule on Ultisil PAH
PGOH ester Reference
| No. | Peak | Rt min | Peak Width（50%）min | Type | Resolution（EP） | Asymmetry（EP） | Plates（EP） |
| 1 | 5.718 | 0.105 | BMB | n.a. | 1.33 | 16312 |
| Column | Welch Ultisil PAH 4.6×250mm，5μm (P/N: 00210-31043) |
| Mobile Phase | 0.05 mol/L ammonium dihydrogen phosphate solution - acetonitrile (95:5), adjust pH to 4.4 with phosphoric acid |
| Detector | 225nm |
| Temperature | 35℃ |
| Flow Rate | 1.0 ml/min |
| Injection Volume | 20µl |