Content determination of test sample
| Column | Welch Ultisil Polar RP 4.6×250mm，5μm (P/N: 00215-31043) |
| Mobile Phase | 0.05 mol / L potassium dihydrogen phosphate solution(adjust pH to 8.2 with 20% phosphoric acid solution) :Acetonitrile = 45:55 |
| Detector | 210nm |
| Temperature | 30℃ |
| Flow Rate | 1 ml/min |
| Injection Volume | 50ul |
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