Simultaneous Determination of Copper, Lead, and Cadmium at Hexagonal Mesoporous Silica Immobilized Quercetin Modified Carbon Paste Electrode

<table>The cyclic voltammograms of Qu/CPE (a) and CPE (b) in 0.1 M HCOONa-HCl buffer (pH4.7), scan rate <svg height="13.9875" id="M6" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 64.637497 13.9875" width="64.637497" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.9875)">
<g transform="translate(72,-60.81)">
<text transform="matrix(1,0,0,-1,-71.95,61.03)">
<tspan style="font-size: 12.50px; " x="0" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="9.3772497" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="17.704248" y="0">V</tspan>
<tspan style="font-size: 12.50px; " x="29.50708" y="0">⋅</tspan>
<tspan style="font-size: 12.50px; " x="35.871105" y="0">s</tspan>
</text>
<text transform="matrix(1,0,0,-1,-31.21,66.03)">
<tspan style="font-size: 8.75px; " x="0" y="0">−</tspan>
<tspan style="font-size: 8.75px; " x="5.99512" y="0">1</tspan>
</text>
</g>
</g>
</svg>.</table>

Journal of Analytical Methods in Chemistry

fig1

Figure 1

Figure 1: Simultaneous Determination of Copper, Lead, and Cadmium at Hexagonal Mesoporous Silica Immobilized Quercetin Modified Carbon Paste Electrode 

Figure 1 | Simultaneous Determination of Copper, Lead, and Cadmium at Hexagonal Mesoporous Silica Immobilized Quercetin Modified Carbon Paste Electrode 