Antiviral Oral Liquid Content Determination Report on Ultisil LP-C18
Contrast solution
| No. | Rt | Area | Height | Plates （USP） | Tailing Factor | Resolution （USP） |
| 1 | 27.442 | 530925 | 16686 | 17003 | 1.038 | -- |
| Column | Welch Ultisil®LP-C18（4.6×250mm，5μm） |
| Mobile Phase | Acetonitrile / water = 23 / 77 |
| Detector | 277 nm |
| Temperature | 20 ℃ |
| Flow Rate | 1.0 ml/min |
| Injection Volume | 10 µl |