Table 3.
Elution program applied for LC analysis.
| Time, min | Acetonitrile, % | 1% HCOOH, % |
|---|---|---|
| 0 | 40 | 60 |
| 20 | 85 | 15 |
| 30 | 95 | 5 |
| 35 | 95 | 5 |
| 45 | 40 | 60 |
| 50 | 40 | 60 |
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