Table 4.
Recoveries and precisions of TAP, FF and FFA from spiked blank hen eggs, duck eggs and goose eggs.
| Matrix | Analyte | Spiking Level (µg/kg) | Recovery (%) (n = 6) | RSD (%) (n = 6) | Intraday RSD (%) (n = 6) | Interday RSD (%) (n = 18) |
|---|---|---|---|---|---|---|
| Hen eggs | TAP | 9.7 | 85.6 ± 1.8 | 2.1 | 2.6 | 3.6 |
| 25 | 90.5 ± 2.7 | 3.0 | 3.7 | 5.0 | ||
| 50 α | 92.7 ± 1.5 | 1.6 | 2.5 | 3.1 | ||
| 100 | 91.5 ± 2.0 | 2.2 | 2.5 | 2.9 | ||
| FF | 10.5 | 84.9 ± 3.4 | 4.0 | 4.7 | 5.1 | |
| 50 | 90.2 ± 2.5 | 2.8 | 3.8 | 4.8 | ||
| 100 α | 93.5 ± 2.6 | 2.8 | 4.0 | 4.3 | ||
| 200 | 94.9 ± 2.7 | 2.8 | 2.3 | 3.4 | ||
| FFA | 4.3 | 86.7 ± 3.6 | 4.2 | 3.9 | 5.3 | |
| 50 | 91.5 ± 1.8 | 2.0 | 3.1 | 3.6 | ||
| 100 α | 96.7 ± 3.5 | 3.6 | 3.2 | 2.8 | ||
| 200 | 98.0 ± 1.8 | 1.8 | 2.4 | 2.7 | ||
| Duck eggs | TAP | 9.9 | 84.8 ± 2.0 | 2.4 | 3.9 | 4.2 |
| 25 | 93.8 ± 1.8 | 1.9 | 3.6 | 4.6 | ||
| 50 α | 94.5 ± 2.4 | 2.5 | 1.9 | 2.6 | ||
| 100 | 92.8 ± 1.1 | 1.2 | 2.4 | 2.4 | ||
| FF | 11.7 | 85.1 ± 1.6 | 1.9 | 1.2 | 2.4 | |
| 50 | 89.4 ± 2.0 | 2.2 | 1.8 | 1.8 | ||
| 100 α | 94.8 ± 1.5 | 1.6 | 2.5 | 3.6 | ||
| 200 | 94.5 ± 3.3 | 3.5 | 2.6 | 4.1 | ||
| FFA | 4.7 | 87.5 ± 1.9 | 2.2 | 3.1 | 3.7 | |
| 50 | 96.5 ± 2.2 | 2.3 | 3.1 | 3.4 | ||
| 100 α | 96.9 ± 1.7 | 1.8 | 2.7 | 3.6 | ||
| 200 | 96.1 ± 1.7 | 1.8 | 3.1 | 3.3 | ||
| Goose eggs | TAP | 9.8 | 85.5 ± 1.7 | 2.0 | 2.5 | 2.9 |
| 25 | 93.3 ± 2.1 | 2.3 | 3.5 | 4.0 | ||
| 50 α | 93.1 ± 2.9 | 3.1 | 4.3 | 5.4 | ||
| 100 | 94.5 ± 4.0 | 4.2 | 3.9 | 4.0 | ||
| FF | 11.2 | 80.7 ± 3.5 | 4.3 | 5.2 | 6.2 | |
| 50 | 93.9 ± 2.2 | 2.3 | 2.7 | 3.1 | ||
| 100 α | 95.2 ± 1.5 | 1.6 | 2.2 | 3.0 | ||
| 200 | 95.2 ± 2.5 | 2.6 | 3.1 | 3.4 | ||
| FFA | 4.7 | 83.9 ± 2.8 | 3.3 | 3.5 | 4.1 | |
| 50 | 93.7 ± 2.5 | 2.7 | 3.2 | 3.8 | ||
| 100 α | 94.5 ± 2.0 | 2.1 | 3.2 | 3.5 | ||
| 200 | 96.1 ± 2.6 | 2.7 | 3.3 | 4.4 |
Note: α. Maximum Residue Limits.