Construction of Modified Carbon Paste Electrode for Highly Sensitive Simultaneous Electrochemical Determination of Trace Amounts of Copper (II) and Cadmium (II) |
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| Authors: | Abbas Afkhami Morteza Soltani‐Shahrivar Hamed Ghaedi Tayyebeh Madrakian |
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| Affiliation: | 1. Faculty of Chemistry, Bu‐Ali Sina University, Hamedan, Iran, Tel./Fax: +98?811?8272404;2. Faculty of Engineering, Bushehr Branch, Islamic Azad University, Bushehr, Iran |
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| Abstract: | A chemically modified electrode was constructed for rapid, simple, accurate, selective and highly sensitive simultaneous determination of Cu(II) and Cd(II) using square wave anodic stripping voltammetry. The electrode was prepared by incorporation of SiO2 nanoparticles, coated with a newly synthesized Schiff base, in carbon paste electrode. The limit of detection was found to be 0.28 ng mL?1 and 0.54 ng mL?1 for Cu(II) and Cd(II), respectively. The proposed chemically modified electrode was used for the determination of copper and cadmium in several foodstuffs and water samples. |
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| Keywords: | Chemically modified electrode Square wave anodic stripping voltammetry Simultaneous determination Cu(II) and Cd(II) determination |
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