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Recoveries of samples spiked with Oxyfluorfen by TRFIA (n = 3).
| Sample | Spiked concentration (ng/g) | TRFIA | |
|---|---|---|---|
| Mean recovery ± SD (%, n = 3) | RSD (%) | ||
| Soil | 50 | 96.5 ± 4.6 | 4.8 |
| 100 | 97.4 ± 3.5 | 3.6 | |
| 500 | 74.6 ± 3.1 | 4.2 | |
| Grape | 50 | 98.5 ± 2.1 | 2.1 |
| 100 | 108.3 ± 4.9 | 4.5 | |
| 500 | 87.6 ± 7.4 | 8.5 | |
| Peach | 50 | 100.6 ± 5.1 | 5.1 |
| 100 | 107.8 ± 7.4 | 6.9 | |
| 500 | 103.1 ± 6.3 | 6.1 | |
| Apple | 50 | 89.4 ± 6.9 | 7.7 |
| 100 | 93.2 ± 6.6 | 7.1 | |
| 500 | 100.3 ± 6.8 | 6.8 | |
| Pear | 50 | 76.9 ± 4.6 | 5.9 |
| 100 | 86.4 ± 3.1 | 3.6 | |
| 500 | 79.7 ± 8.7 | 10.9 | |
