Research Article

Voltammetry Determination of Pb(II), Cd(II), and Zn(II) at Bismuth Film Electrode Combined with 8-Hydroxyquinoline as a Complexing Agent

Figure 5

SqW-AdSV voltammograms obtained for the water samples: (a) Cau Rao River, (b) Nam Ly Lake, and (c) Kien Giang River (the same conditions as in Figure 4).
(a)
(b)
(c)