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Enrichment factor (EF) and extraction recovery (ER%).
| Analyte | CW a (mg L−1) | VW b (µL) | CO c (mg L−1) | VO d (µL) | EF | ER% |
|---|---|---|---|---|---|---|
| Thymol | 5 | 5000 | 690.4 | 20 | 138.1 | 5.2 |
| Carvacrol | 5 | 5000 | 683.1 | 20 | 136.6 | 54.6 |
a Initial concentration of analyte in the aqueous phase. b Aqueous phase volume. c Analyte concentration in organic solvent (extraction phase). d Organic solvent volume.
