Table 1. Interference Effect and Recovery Value for the Determination of 100 μM Carbaryl in the Presence of Several Interfering Species.
| electrodes | interferences | level of interference ratio (interference/carbaryl) | jcarbaryl (μA cm–2) | recovery (%) |
|---|---|---|---|---|
| SPCE-A400 | 18.18 ± 0.08 | |||
| NaNO2 | 1:1 | 18.14 ± 0.06 | 99.67 | |
| NH4NO3 | 1:1 | 18.19 ± 0.12 | 100.08 | |
| Zn(CH3CO2)2 | 1:1 | 18.49 ± 0.20 | 102.53 | |
| FeSO4 | 1:1 | 18.14 ± 0.19 | 100.03 | |
| diazinon | 1:1 | 18.25 ± 0.08 | 100.60 | |
| glucose | 1:1 | 18.07 ± 0.19 | 99.37 | |
| SPCE-A600 | 16.22 ± 0.13 | |||
| NaNO2 | 1:1 | 16.19 ± 0.23 | 99.67 | |
| NH4NO3 | 1:1 | 16.19 ± 0.23 | 99.77 | |
| Zn(CH3CO2)2 | 1:1 | 16.35 ± 0.13 | 101.45 | |
| FeSO4 | 1:1 | 16.09 ± 0.15 | 99.11 | |
| diazinon | 1:1 | 16.23 ± 0.16 | 100.20 | |
| glucose | 1:1 | 16.20 ± 0.16 | 100.08 | |
| SPCE-A800 | 15.30 ± 0.17 | |||
| NaNO2 | 1:1 | 15.07 ± 0.10 | 97.57 | |
| NH4NO3 | 1:1 | 15.26 ± 0.18 | 99.56 | |
| Zn(CH3CO2)2 | 1:1 | 15.00 ± 0.10 | 96.86 | |
| FeSO4 | 1:1 | 15.05 ± 0.03 | 99.79 | |
| diazinon | 1:1 | 15.07 ± 0.03 | 97.65 | |
| glucose | 1:1 | 14.98 ± 0.07 | 99.07 |