Research Article

Preparation of Electrode Material Based to Bismuth Oxide-Attached Multiwalled Carbon Nanotubes for Lead (II) Ion Determination

Figure 8

Anodic stripping voltammograms of the Bi2O3@CNTs-50 electrode with Pb2+ concentration gradient in 0.1 M acetate buffer solution (pH 5.0). Insert: calibration plot. Conditions: and .