Solar UV Photooxidation as Pretreatment for Stripping Voltammetric Trace Metal Analysis in River Water

Figure 1

DP stripping voltammograms recorded for (a) the Original Sample, (b) the SoUV Sample, and (c) the UV Sample, with additions of 10, 20, 30 ppb for Zn and Cu, 3, 6, and 9 ppb for Pb, and 1, 2, and 3 ppb for Cd.

(a)

(b)

(c)