Spectrum of related substances of piperaquine phosphate
| Column | Welch Ultisil LP-C18 4.6×250mm，5μm (P/N: 00208-31043) |
| Mobile Phase | Acetonitrile: 0.1% trichloroacetic acid solution (pH adjusted to 2.1 with phosphoric acid) = 25:75 |
| Detector | 349 nm |
| Temperature | 30°C |
| Flow Rate | 1.0 ml/min |
| Injection Volume | 20µl |
| Notes | Retention time is sensitive to the proportion of organic phase |
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