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Fabrication of a Nanostructure Voltammetric Sensor for Carmoisine Analysis as a Food Dye Additive
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نویسنده
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nezhad hazhir movaghar ,shahidi ahmad ,bijad majede
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منبع
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analytical and bioanalytical electrochemistry - 2018 - دوره : 10 - شماره : 2 - صفحه:220 -229
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چکیده
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In this study, fabrication of carbon paste electrode amplified with cdo/cnts nanocomposite and 1- ethyl-3-methylimidazolium tetrafluoroborate (cdo/cnts/1-e-3-mitfbr/cpe) for determination of carmoisine was investigated. the electro-oxidation of carmoisine occurs at a potential about 680 mv at a surface of cdo/cnts/1-e-3-mitfbr/cpe and this mount is less positive than the bare carbon paste electrode at the optimized condition. the square wave voltammograms (swv) peak currents of carmoisine show good linear dynamic range (0.1-700 μm) with a detection limit of 40.0 nm. finally, the cdo/cnts/1-e-3-mitfbr/cpe was used as highly selective sensor for determination of carmoisine in real samples.
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کلیدواژه
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Carmoisine analysis ,CdO/CNTs nanocomposite ,Voltammetry ,1-ethyl-3-methylimidazolium tetrafluoroborate
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آدرس
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islamic azad university, ayatollah amoli branch, department of food science and technology, Iran, islamic azad university, ayatollah amoli branch, department of food science and technology, Iran, islamic azad university, sari branch, department of agriculture, Iran
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پست الکترونیکی
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majedebijad@gmail.com
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Authors
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