Table 3.
Quality parameters of the developed UHPLC-APCI-MS/MS method
| Compound | LOD | Intra-day precision (RSD, %) | Inter-day precision (RSD, %) | Trueness (RE, %) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (μg kg−1) | 2 μg kg−1 | 10 μg kg−1 | 20 μg kg−1 | 2 μg kg−1 | 10 μg kg−1 | 20 μg kg−1 | 2 μg kg−1 | 10 μg kg−1 | 20 μg kg−1 | |
| ANL | 0.04 | 10 | 5 | 1 | 10 | 3 | 2 | 15 | 7 | 6 |
| o-T | 0.6 | 7 | 2 | 2 | 10 | 1 | 2 | 11 | 8 | 4 |
| 2,4-TDA | 2 | − | 1 | 5 | − | 11 | 5 | − | − 17 | − 8 |
| 2,6-TDA | 2 | − | 7 | 4 | − | 1 | 6 | − | − 12 | − 2 |
| 2,4,5-TRA | 1 | 5 | 2 | 1 | 5 | 3 | 2 | 8 | 3 | 1 |
| 2-M-5-MA | 2 | − | 4 | 3 | − | 2 | 8 | − | 3 | 4 |
| o-ASD | 0.8 | 6 | 3 | 2 | 5 | 3 | 3 | − 10 | − 1 | 5 |
| 4-M-m-PDA | 2 | − | 10 | 5 | − | 10 | 9 | − | − 15 | − 5 |
| p–C-o-MA | 0.3 | 8 | 5 | 3 | 15 | 8 | 3 | 16 | 7 | 1 |
| p-CA | 0.1 | − | 5 | 3 | − | 4 | 2 | − | 6 | 5 |
| o-diASD | 2 | − | 6 | 2 | − | 12 | 10 | − | 7 | 7 |
| 3,3′-DCB | 1 | − | 7 | 5 | − | 6 | 4 | − | 8 | 4 |
| 4,4′-M-2-CA | 1 | 10 | 4 | 2 | 12 | 6 | 5 | 13 | 3 | 3 |
| p-ABP | 2 | − | 4 | 4 | − | 6 | 5 | − | 7 | 4 |
| BNZ | 2 | − | 5 | 3 | − | 8 | 6 | − | 6 | 5 |
| 3,3′-DMB | 1 | − | 6 | 5 | − | 2 | 1 | − | 1 | 9 |
| 4,4′-MDA | 1 | 10 | 5 | 3 | 12 | 6 | 3 | 10 | 6 | 4 |
| 4,4′-ODA | 2 | 10 | 6 | 4 | 15 | 9 | 5 | 16 | 7 | 6 |
| 4,4′-thioDA | 2 | – | 5 | 4 | – | 11 | 4 | – | 0 | 5 |
| p-AAB | 0.1 | − | 7 | 6 | − | 5 | 4 | − | 10 | 1 |
| o-AAT | 2 | 12 | 8 | 6 | 14 | 9 | 5 | 12 | 5 | 4 |
| 1,5-DAN | 2 | − | 6 | 2 | − | 9 | 5 | − | − 4 | 11 |
| 2-NAP | 0.6 | 8 | 4 | 3 | 13 | 2 | 3 | 1 | 1 | 1 |