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| Added (μg/mL) | Within-day | Between-day | Recovery (%) | ||
|---|---|---|---|---|---|
| Concentration (μg/mL) | RSD (%) | Concentration (μg/mL) | RSD (%) | ||
| 1.0 | 1.02±0.10 | 10.21 | 1.22±0.17 | 14.22 | 121.8 |
| 5.0 | 5.49±0.03 | 0.51 | 5.84±0.60 | 10.34 | 116.9 |
| 50.0 | 55.27±5.14 | 9.29 | 61.37±5.40 | 8.79 | 122.7 |
