Table 1. Protocol validation phase: Vial contamination with 5-fluorouracil (5-FU).
| Vial code | Total volume NaOH, mL | 5-FU, ng/mL NaOH | 5-FU, mg |
| 1, 3-10 | 100 | ND | -- |
| 2 | 100 | 43180 | 4.318 |
Note: ND = not detected: 5-FU < 20 ng/mL NaOH.
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