Clovidipine Butyrate on Ultisil XB-C18
System adaptive solution
| Rt (min) | K’ | Area (mAU*s) | Height (mAU) | Symmetry Factor | Width (min) | Plates | Resolution | Tailing Factor |
| Column | Ultisil XB-C18 4.6×250 mm, 5 μm |
| Detection | 220 nm |
| Temperature | 35°C |
| Flow Rate | 1.2 ml/min |
| Injection Volume | 50 µl |
Mobile Phase
A: 0.05mol/L sodium dihydrogen phosphate (Adjust pH to 4.0 with phosphoric acid)
B: Acetonitrile：Methanol=3:2
| Time(min) | A% | B% |
| 0 | 55 | 45 |
| 12 | 38 | 62 |
| 70 | 38 | 62 |
| 72 | 55 | 45 |
| 80 | 55 | 45 |