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Precision of the developed RRS approach on two levels.
| Conc. level (ng/mL) | Intraday precision | Interday precision | ||
|---|---|---|---|---|
| Recovery* ± SD | RSD | Recovery* ± SD | RSD | |
| 300 | 99.20 ± 1.46 | 1.47 | 98.87 ± 1.74 | 1.75 |
| 800 | 100.29 ± 0.48 | 0.47 | 101.96 ± 1.04 | 1.02 |
| 1300 | 99.13 ± 0.33 | 0.34 | 98.05 ± 0.68 | 0.69 |
*mean of three CYP determinations and RSD is the relative standard deviation.
