Research Article

A Simple, Fast, and Inexpensive Simultaneous Determination of Trace Bismuth(III) and Lead(II) in Water Samples by Adsorptive Stripping Voltammetry

Figure 4

The influence of Triton X-100 (a), Rhamnolipid (b), HA (c), CTAB (d), FA (e), NOM, (f) and SDS (g) on 2 × 10−8 mol L−1 Bi(III) peak current. Concentration of cupferron 1 × 10−4 mol L−1 and acetate buffer 0.1 mol L−1 (pH = 4.5). Accumulation potential −0.05 V and accumulation time 30 s.