Content determination of test sample
| Column | Welch Ultisil Polar RP 4.6×250，5μm (P/N: 00215-31043) |
| Mobile Phase | 0.08mol/L sodium dihydrogen phosphate solution (pH adjusted to 3.10±0.05 with phosphoric acid)-methanol=85:15 |
| Detector | 276nm |
| Temperature | 30℃ |
| Flow Rate | 1.0ml/min |
| Injection Volume | 20ul |
| Notes | Sensitive to injection volume and dissolved sample solvent |
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