Research Article
Development of a Nonenzymatic Electrochemical Sensor for Organophosphate Pesticide Detection Using Copper (II) Oxide Nanorod Electrodes
Table 1
The LOD and sensitivity of the CuO NR electrode for different types of OPPs and toluene.
| | Analytes | Coefficient of determination () | Sensitivity (μA/ng mL-1) | Detection limit (μM) | LOD (mg/L or mg/kg-water) | MRL of pesticide in water (mg/L) | MRLs in food from EU Pesticides Database (v2.1) (mg/kg) |
| | Pirimiphos | 0.988 | | | 0.09 | 0.1 | 0.01–5 (Reg. (EU) No. 2016/53) | | Paraoxon | 0.961 | | | 0.15 | 0.05 | 0.01–5 (Reg. (EU) No. 899/2012) | | Parathion | 0.876 | | | 0.18 | 0.05 | 0.01–5 (Reg. (EU) No. 899/2012) | | Chlorpyrifos | 0.976 | | | 0.20 | 0.07 | 0.01 (Reg. (EU) 2020/1085) |
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Data from regulatory limits for pesticide residues in water (IUPAC Technical Report) [ 44]. |
