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| Analyte | Nominal concentration (μg L−1) | Intra-day response | Inter-day response | ||||
|---|---|---|---|---|---|---|---|
| Measured concentration (mean ± SD) | Precision (RSD) | Accuracy (%) | Measured concentration (mean ± SD) | Precision (RSD) | Accuracy (%) | ||
| Lindane | 2.5 | 2.64 ± 0.27 | 10.29 | 105.37 | 2.37 ± 0.28 | 11.91 | 94.78 |
| 5.0 | 4.82 ± 0.25 | 5.15 | 96.36 | 5.03 ± 0.26 | 5.12 | 100.55 | |
| 10.0 | 9.20 ± 0.71 | 7.68 | 92.00 | 9.27 ± 0.39 | 4.21 | 92.70 | |
