Biopolymer-Modified Carbon Paste Electrode for the Electrochemical Detection of Pb(II) in Water

<div>Influence of preconcentration time on the square-wave voltammetry response of Pb (II) at the lignin-modified CPE, at solution 0.1 M NaCl including 3 <i>μ</i>M of Pb (II) ion.</div>

Journal of Analytical Methods in Chemistry

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Figure 8

Figure 8: Biopolymer-Modified Carbon Paste Electrode for the Electrochemical Detection of Pb(II) in Water 