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Detected amount and recovery of corn and wheat at different spiking levels (n = 3) (RSD: relative standard deviations).
| Matrix | Spiked Level (μg/kg) | Detected Amount (μg/kg) | Recovery (%) | RSD (%) |
|---|---|---|---|---|
| corn | 100 | 98.4 ± 6.9 | 98.4 ± 6.9 | 7.0 |
| 500 | 485.8 ± 28.0 | 97.2 ± 5.6 | 5.8 | |
| 1000 | 919.6 ± 51.3 | 92.0 ± 5.1 | 5.6 | |
| 2000 | 1840.1 ± 80.8 | 92.0 ± 4.0 | 4.4 | |
| wheat | 100 | 109.5 ± 4.2 | 109.5 ± 4.2 | 3.8 |
| 500 | 473.1 ± 22.4 | 94.6 ± 4.5 | 4.7 | |
| 1000 | 927.2 ± 19.1 | 92.7 ± 1.9 | 2.1 | |
| 2000 | 1922.3 ± 120.7 | 96.1 ± 6.0 | 6.3 |
