Research Article
Simultaneous Determination of Zn(II), Cd(II), Pb(II), and Cu(II) Using Differential Pulse Anodic Stripping Voltammetry at a Bismuth Film-Modified Electrode
Figure 3
(a) CVs of analytes (Zn, Cd, Pb, and Cu) with increasing scan rate (); (b) plot of Ipa vs. scan rate (); (c) plot of Ep vs. ; (d) plot of Ipa vs. (conditions: 15 ppm Zn(II), Cd(II), Pb(II), and Cu(II) in 0.1 M acetate buffer (pH 5), 500 ppb Bi, and accumulation for 120 s at –1.4 V).
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