Glassy carbon electrode modified by conductive polyaniline coating for determination of trace lead and cadmium ions in acetate buffer solution
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چکیده
Available online 20 January 2011
منابع مشابه
Application of CuO nano particle/multi-walled carbon nanotube nanocomposite modified electrode for simultaneous determination of dopamine and rutin in real samples
Background: In this work, a new method was developed for simultaneous determination of dopamine and rutin at glassy carbon electrode modified with CuO nanoparticles doped multi-walled carbon nanotubes (CuONPs–MWNT/GCE). This modified electrode has shown excellent electrocatalytic activity toward the oxidation of rutin in acetate buffer solution (pH=5). The modified electrode lowered the overpot...
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The present work describes the construction of a new modified electrode by casting the appropriate mixture of a metallocene, which has been introduced in the experimental part, as a mediator at the surface of glassy carbon (GC) electrode. The proposed modified GC electrode was used for the determination of ascorbic acid (AA) in phosphate buffer (PB) solution (pH = 4.0). When compared to bare GC...
متن کاملElectrocatalytic Oxidation of Hydrazine at Epinephrine Modified Glassy Carbon Electrode (EPMGCE).
A thin film of epinephrine (EP) was electrochemically deposited on the surface of glassy carbon electrode previously activated in NaHCO3 solution. The cyclic voltammograms of the modified electrode indicate that the surface confined EP are strongly dependent on the solution pH, as expected for quinone/hydroquinone functionalities. The EP-modified glassy carbon electrode exhibited...
متن کاملGlassy carbon electrode coated with polyaniline-functionalized carbon nanotubes for detection of trace lead in acetate solution
Available online 20 January 2011
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تاریخ انتشار 2011