Electrochemical determination of sulfide in fruits using alizarin-reduced graphene oxide nanosheets modified electrode

文献类型： 外文期刊

第一作者： Cao, Xiaodong

作者： Cao, Xiaodong;Xu, Houchuan;Ding, Shun;Ye, Yongkang;Cao, Xiaodong;Ye, Yongkang;Ge, Xiaoguang;Yu, Li

作者机构：

关键词： Sulfide;Reduced graphene oxide nanosheets;Alizarin;Electrochemical detection

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： This study presents a new approach for rapid detection of sulfide using a glassy carbon electrode (GCE) modified with alizarin (Az) and reduced graphene oxide (rGO) nanosheets. The fabricate Az-rGO/GCE sensor shows a notable electrocatalytic activity to sulfide oxidation. The currents of anodic peak centered at +465 mV in 0.2 M pH 7.0 phosphate buffer were related linearly to the concentrations of sulfide, based on the cyclic voltammetric studies. The linear range was 0.002-3.28 mM, and the detection limit was 1 mu M. The proposed method was applied in sulfide determination of hydrogen sulfide pretreated fruits, and the method was also verified with recovery studies. (C) 2015 Elsevier Ltd. All rights reserved.

分类号： TS2`TS201.2

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