Table 1.
Method performance characteristics obtained in the verification study (REC—recovery (%); RSD—repeatability (%); LOQ—limit of quantification).
| GC-MS/MS | LC-MS/MS | |||||||
|---|---|---|---|---|---|---|---|---|
| PAHs | PCBs | PBDEs | OCPs | PFASs | HBCD | TBBPA | ||
| Spiking concentration | (µg·kg−1) | 2 | 5 | 5 | 2 | 0.25 | 2.5 | 2.5 |
| Recovery % | EtOAc + silica SPE | 81–104 | 83–119 | 89–117 | 5–108 | - | - | |
| QuEChERS + silica SPE | 70–91 | 76–110 | 77–92 | 9–103 | - | - | ||
| QuEChERS + C18 | 59–86 | 74–110 | 76–101 | 65–114 | 88–130 | 49–57 | 73 | |
| QuEChERS + Z-Sep | - | - | - | - | 85–116 | 65–116 | 102 | |
| QuEChERS + EMR-lipid | 71–97 | 74–88 | 73–94 | 38–92 | 94–120 | 65–91 | 76 | |
| RSD % | EtOAc + silica SPE | 1–15 | 3–19 | 3–18 | 1–11 | - | - | |
| QuEChERS + silica SPE | 3–15 | 3–12 | 4–12 | 2–13 | - | - | ||
| QuEChERS + C18 | 4–12 | 6–13 | 5–10 | 3–19 | 1–9 | 2–5 | 2 | |
| QuEChERS + Z-Sep | - | - | - | - | 1–10 | 1–2 | 1 | |
| QuEChERS + EMR-lipid | 3–13 | 4–13 | 5–12 | 4–14 | 2–11 | 10–23 | 6 | |
| LOQ (µg·kg−1) | EtOAc + silica SPE | 0.05–0.25 | 0.10–0.50 | 0.50 | 0.1–0.5 | - | - | |
| QuEChERS + silica SPE | 0.05–0.25 | 0.10–0.50 | 0.50 | 0.1–0.5 | - | - | ||
| QuEChERS + C18 | 0.05–0.25 | 0.10–0.50 | 0.50 | 0.1–0.5 | 0.01–0.06 | 0.30 | 0.30 | |
| QuEChERS + Z-Sep | - | - | - | - | 0.01–0.06 | 0.30 | 0.30 | |
| QuEChERS + EMR-lipid | 0.10–0.50 | 0.10–0.50 | 0.25–0.50 | 0.50 | 0.02–0.50 | 1.50 | 1.50 | |
Min–max. RSD %—relative standard deviation (n = 6).