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Stability data of ibuprofen under freeze-thaw conditions expressed as recovery.
| Ibuprofen Concentration | ||||
|---|---|---|---|---|
| Cycle | 0.15 μg/mL (%) recovery | 7.5 μg/mL (%) recovery | 35 μg/mL (%) recovery | 75 μg/mL (%) recovery |
| Time 0 | 100 | 100 | 100 | 100 |
| Cycle 1 | 100 | 100 | 99 | 100 |
| Cycle 2 | 100 | 99 | 100 | 100 |
| Cycle 3 | 99 | 100 | 101 | 100 |
N = 3.
