Sample | Spiking level (μg/g, μg/mL) | μg found | Average % recovery ± SD | ||||
---|---|---|---|---|---|---|---|
Unbuffered | Acetate buffered | Citrate buffered | Unbuffered | Acetate buffered | Citrate buffered | ||
Soil | 1.0 | 0.79 | 1.08 | 0.92 | 84 ± 5 | 102 ± 5 | 93 ± 3 |
1.0 | 0.84 | 0.98 | 0.91 | ||||
1.0 | 0.89 | 1.01 | 0.97 | ||||
Wheat grains | 1.0 | 0.93 | 1.11 | 0.89 | 93 ± 4 | 102 ± 8 | 93 ± 5 |
1.0 | 0.88 | 0.94 | 0.91 | ||||
1.0 | 0.97 | 1.02 | 0.98 | ||||
Water | 1.0 | 0.76 | 1.01 | 0.95 | 83 ± 10 | 99 ± 2 | 94 ± 6 |
1.0 | 0.79 | 0.98 | 0.99 | ||||
1.0 | 0.94 | 0.97 | 0.87 |