Research Article
UHPLC/MS-MS Analysis of Six Neonicotinoids in Honey by Modified QuEChERS: Method Development, Validation, and Uncertainty Measurement
Table 4
Results of individual and combined uncertainties for each pesticide calculated at 40 μg/kg concentration level.
| Compound | Standard solution | Weighting | Calibration curve | Precision | Dilution operations | Combined uncertainty | Expanded uncertainty | Relative expanded uncertainty | | | | | | | | % |
| Thiamethoxam | 0.003 | 0.00001 | 0.017 | 0.040 | 0.070 | 3.3 | 6.6 | 16 | Nitenpyram | 0.003 | 0.00001 | 0.036 | 0.032 | 0.070 | 3.3 | 6.6 | 16 | Imidacloprid | 0.003 | 0.00001 | 0.040 | 0.029 | 0.070 | 3.7 | 7.4 | 17 | Clothianidin | 0.003 | 0.00001 | 0.023 | 0.037 | 0.070 | 3.5 | 7.0 | 16 | Acetamiprid | 0.003 | 0.00001 | 0.061 | 0.023 | 0.070 | 4.0 | 8.0 | 19 | Thiacloprid | 0.003 | 0.00001 | 0.054 | 0.009 | 0.070 | 3.3 | 6.6 | 17 |
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