9 substances in water test report on Ultisil PAH
Mixed test sample
| Column | Welch Ultisil® PAH 4.6×250mm，5μm (P/N: 00210-31043) |
| Mobile Phase | Water: acetonitrile = 70:30 (0 min), 30:70 (30 min) |
| Detector | 220nm |
| Temperature | 30℃ |
| Flow Rate | 1.0 ml/min |
| Injection Volume | 10µl |