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Limits of detection, precision and accuracy of concentration measurements.
| Analyte | LOD (ng mL−1) |
Accuracy (%)a | Precision (%)b | |||
| 0.4 ng mL−1 | 3 ng mL−1 | 45 ng mL−1 | QCL 3 ng mL−1 | QCH 20 ng mL−1 | ||
| DEET | 0.1 | 99.7 | 101.6 | 99.3 | 10.2 | 5.5 |
| DHMB | 0.1 | 101.0 | 99.9 | 99.4 | 9.8 | 8.6 |
| Analyte | LOD (ng mL−1) |
Accuracy (%)a | Precision (%)b | |||
| 4 ng mL−1 | 31 ng mL−1 | 500 ng mL−1 | QCL 30 ng mL−1 | QCH 200 ng mL−1 | ||
| DCBA | 1 | 93.8 | 90.4 | 104.9 | 12.4 | 13.1 |
n = 20.
n = 29, two instruments used by two analysts over one month.
