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

Figure 5

Cyclic voltammogram of Se (IV) and Ni (II) at a concentration of 250 µg/L with a variation of scan rate in 0.1 M PBS and 5 mM Fe(CN)₆ using Mn₃O₄-Cn electrode at 25°C in the range of −10 to 1200 mV.