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Results obtained in the validation study.
| Parameter | Method 1 | Method 2 | Method 3 |
|---|---|---|---|
| Range of linearity (mg·L−1) | 0–5.0 | 0–10.0 | >16.7 |
| LoD (mg·L−1) | 0.02 | 0.03 | 5.5 |
| LoQ (mg·L−1) | 0.08 | 0.10 | 16.7 |
| Accuracy (%) | 89.4 | 99.8 | 83.7 |
| RSDr (%) | 5.17 | 1.37 | 2.65 |
| RSDR (%) | 0.47 | 0.44 | 0.60 |
