International Journal of Analytical Chemistry

Research Article

Development and Validation of Chronopotentiometric Method for Imidacloprid Determination in Pesticide Formulations and River Water Samples

Table 2

Comparison of limit of detection (LOD) of the presented chronopotentiometric method with previously reported electrochemical methods for imidacloprid determination.
LOD [mg/L]TechniqueElectrodeReference
0.0030Differential pulse polarographyHMDE[33]
0.0041Square wave adsorptive stripping voltammetryHMDE[34]
0.0051Differential pulse voltammetryβ-CDP/rGO/GCE[42]
0.0128Linear sweep voltammetryPrussian blue/MWNT/GCE[40]
0.0134Chronopotentiometry with SPETFMEThis study
0.0256Cyclic voltammetryβ-CDP/rGO/GCE[42]
0.0563Cyclic voltammetryPCz/CRGO/GCE[32]
0.0640Differential pulse voltammetrynAgn/nTiO2n/GCE[41]
0.0716Differential pulse voltammetryCuPc/CCE[44]
0.1023Linear sweep voltammetryImprinted PoPD-RGO/GCE[43]
0.1125Differential pulse voltammetryPCz/CRGO/GCE[32]
0.1611Cyclic voltammetrynAgn/nTiO2n/GCE[41]
0.1682ChronopotentiometryTFMEThis study
0.2378AmperometrynAgn/nTiO2n/GCE[41]
0.2700Square wave voltammetryHg(Ag)FE[39]
0.5200Differential pulse voltammetryCPE[37]
0.7300Differential pulse voltammetryBiFE[38]
0.9254ChronopotentiometryGCEThis study
7.7000Cyclic voltammetryGCE[35]
HMDE: hanging mercury drop electrode; -CDP/rGO/GCE: -cyclodextrin polymer/functionalized reduced-graphene oxide/modified GCE; TFME: thin film mercury electrode; Prussian blue/MWNT/GCE: Prussian blue multiwalled carbon nanotubes modified GCE; PCz/CRGO/GCE: poly(carbazole)/chemically reduced graphene oxide modified GCE; Hg(Ag)FE: silver-amalgam film electrode; nAgn/nTiO2n/GCE: nanosilver Nafion/nano-TiO2 Nafion modified glassy carbon electrode; CuPc/CCE: copper(II) phthalocyanine modified carbon ceramic electrode; imprinted PoPD-RGO/GCE: imprinted poly(o-phenylenediamine) membranes/reduced graphene oxide modified GCE; CPE: carbon paste electrode; BiFE: bismuth film electrode; GCE: glassy carbon electrode.