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Summary of repeatability (intraday) and reproducibility (interday) precision data for sorbic acid by HPLC-DAD.
| Compound concentration (μg·mL−1) | Intraday | Interday |
|---|---|---|
| Mean recovery∗ % ± RSD % | Mean recovery∗ % ± RSD % | |
| 5.0 | 100.115 ± 0.851 | 100.025 ± 0.651 |
| 20.0 | 100.240 ± 0.112 | 99.918 ± 0.498 |
∗Each value is obtained from five experiments (n = 5).
