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

<div>Cyclic voltammograms of modified lignin-CPE and unmodified CPE presence of 3 <i>μ</i>M of ions metals Pb (II) in 0.1 M NaCl as electrolyte, pH 2.5, and scan rate 100 mV/s.</div>

Journal of Analytical Methods in Chemistry

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Figure 6

Figure 6: Biopolymer-Modified Carbon Paste Electrode for the Electrochemical Detection of Pb(II) in Water 