Research Article

Detection of Selenium and Nickel Metal Ion in Water Using Mn3O4-Cn-Modified Electrode

Table 1

Comparison of analytical performances of reported electrodes for Se (IV) and Ni (II) sensing.

ElectrodeTechniqueSpecies detectedAnalytical detailsDetection matrixReported by

Pencil graphiteCVSe4+50 nm to 110 nm
LOD: 16.58 nm
Food and water samplesAzizi and group [24]
DMG/CPECVNi2+4 mg/LMine waterFerancova and group [11]
Au/ZnO/ITOSWASVSe4+5–100 ppb
LOD: 2.89 ppb
Aqueous solutionsJain and group [8]
GCE-AuNPsSWASVSe4+0.01–12 ppm 0.22 ppbAqueous solutionsIdris and group [25]
Pt/Mn3O4-CnCVSe4+ Ni2+5–250 µg/L
LOD: 0.533 µg/L and 0.718 µg/L
Aqueous solution, tap water, lake waterPresent study