Table 3.
The gradient conditions for hydrophilic separation of polar metabolites.
| Time (min) | A (v%) | B (v%) |
|---|---|---|
| 0 | 95 | 5 |
| 1 | 95 | 5 |
| 7 | 50 | 50 |
| 9 | 50 | 50 |
| 9.1 | 95 | 5 |
| 13 | 95 | 5 |
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