Figure 6

CV response of bare GCE in the presence of Cd (II) (a) MnCo2O4/GCE (c) and in the absence of MnCo2O4/GCE (b) in the acetate buffer (pH 5) solution containing 50 µg L−1 of Cd (II).

CV response of bare GCE in the presence of Cd (II) (a) MnCo2O4/GCE (c) and in the absence of MnCo2O4/GCE (b) in the acetate buffer (pH 5) solution containing 50 µg L−1 of Cd (II).