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.
| Electrode | Technique | Species detected | Analytical details | Detection matrix | Reported by |
| Pencil graphite | CV | Se4+ | 50 nm to 110 nm LOD: 16.58 nm | Food and water samples | Azizi and group [24] | DMG/CPE | CV | Ni2+ | 4 mg/L | Mine water | Ferancova and group [11] | Au/ZnO/ITO | SWASV | Se4+ | 5–100 ppb LOD: 2.89 ppb | Aqueous solutions | Jain and group [8] | GCE-AuNPs | SWASV | Se4+ | 0.01–12 ppm 0.22 ppb | Aqueous solutions | Idris and group [25] | Pt/Mn3O4-Cn | CV | Se4+ Ni2+ | 5–250 µg/L LOD: 0.533 µg/L and 0.718 µg/L | Aqueous solution, tap water, lake water | Present study |
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