Using Electrode Made of Carbon Nanotubes and Bismuth Oxide for the Determination of Metal Concentration by Anodic Stripping Voltammetry

Figure 6

DP-ASV of Cd, Pb, and In supporting electrolytes: (a) acetate buffer (pH = 4.5); (b) mixture of 0.1 M KI and acetate buffer (pH 4.5). Conditions: [Cd(II)] = 5 μg·L⁻¹; [Pb(II)] = 5 μg·L⁻¹; [In(III)] = 10 μg·L⁻¹. Other conditions are as in Figure 1.

(a)

(b)