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

Figure 8

Comparative voltammogram response of Mn₃O₄-Cn electrode to 50 µg/L of Se (IV) and Ni (II) in 0.1 M PBS and 5 mM Fe(CN)₆ in the presence of common interfering ions (10 µg/L each) at 25°C.