Dicyandiamide reference solution
| Column | Xtimate® C18（4.6×150mm，5μm) |
| Mobile Phase | 0.05% sodium heptanesulfonate solution: take 0.5g sodium heptanesulfonate and add 1000ml water Adjust the pH to 4.0 with 10% phosphoric acid solution, shake well and degass with ultrasonic. Acetonitrile: take chromatographic grade acetonitrile. 0.05% sodium heptanesulfonate solution / acetonitrile = 84 / 16 |
| Detection | 218nm (related substances) / 233nm (content determination) |
| Temperature | 35℃ |
| Flow Rate | 1.0ml/min |
| Injection Volume | 20ul |
| Note | / |
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