Issue 3, 2012
From the journal:

Analytical Methods

A novel amperometric sensor based on intercalated montmorillonite modified carbon paste electrode for hydroquinone determination

Yong Kong,ab   Mengjie Ma,a   Huihui Mao,a   Jiangquan Maa  and  Chao Yao*a  

* Corresponding authors

a Institute of Petrochemical Technology, Changzhou University, Changzhou, PR China
E-mail: yaochao@yahoo.com.cn
Fax: +86 519-86330253
Tel: +86 519-86330253

b Key Laboratory of Fine Petrochemicals of Jiangsu Province, Changzhou, PR China

Abstract

A simple and reliable amperometric sensor for hydroquinone (HQ) determination is developed based on an intercalated montmorillonite (MMT) modified carbon paste electrode (CPE). The modified CPE significantly enhances the peak current of HQ on cyclic voltammograms and differential pulse voltammograms. The electro-catalytic properties of the intercalated MMT can be attributed to the remarkably increased specific surface area of MMT after the intercalation process, which leads to a higher accumulation efficiency for HQ at this modified CPE. The modified CPE shows a linear range between 5 and 2000 μM HQ with a correlation coefficient of 0.9997, and the detection limit is as low as 0.57 μM (S/N = 3).

Graphical abstract: A novel amperometric sensor based on intercalated montmorillonite modified carbon paste electrode for hydroquinone determination

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Article information

DOI
https://doi.org/10.1039/C2AY05843J
Article type
Paper
Submitted
29 Nov 2011
Accepted
27 Dec 2011
First published
02 Feb 2012

Anal. Methods, 2012,4, 748-752

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A novel amperometric sensor based on intercalated montmorillonite modified carbon paste electrode for hydroquinone determination

Y. Kong, M. Ma, H. Mao, J. Ma and C. Yao, Anal. Methods, 2012, 4, 748 DOI: 10.1039/C2AY05843J

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