P-aminophenol
| Column | Welch Ultisil® XB-C8 4.6×250mm，5μm (P/N: 00202-31043) |
| Mobile Phase | Phosphate buffer (take 8.95 g disodium hydrogen phosphate, 3.9 g sodium dihydrogen phosphate, dissolved to 1000 ml with water, add 12 ml 10% tetrabutylammonium hydroxide solution) – methanol = 90:10 |
| Detector | 245nm |
| Temperature | 40℃ |
| Flow Rate | 1ml/min |
| Injection Volume | 20ul |
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