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Extraction recovery and matrix effect of Sch.B.
| Analyte | Nominal concentration (ng/mL) | Recovery | Matrix effects | ||
|---|---|---|---|---|---|
| Mean (%) ± SD | RSD (%) | Mean (%) ± SD | RSD (%) | ||
| Sch.B | 50 | 91.71 ± 8.02 | 8.75 | 88.01 ± 0.78 | 0.89 |
| 200 | 85.25 ± 1.40 | 1.65 | 94.59 ± 5.62 | 5.94 | |
| 750 | 88.61 ± 1.79 | 2.02 | 91.88 ± 6.73 | 7.32 | |
