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Vol. 27, Special Issue, May 2014, pp. 385-390




Gold Electrode Functionalized with Tridodecylamine for Impedimetric Detection of Acid Orange 10

1 Saida ZOUGAR, 1 Souad BAALI, 2 Nicole JAFFREZIC-RENAULT, and 1 Rochdi KHERRAT

1 Laboratory of Environmental Engineering, Department of process Engineering, Faculty of Engineering Sciences, Badji Mokhtar University-Annaba, P.O. Box 12, 23000 Annaba, Algeria
2 Laboratory of Analytical Chemistry, University of Lyon, Claude Bernard University Lyon 1, Bulling CPE 43 Boulevard 11 Novembre 1918, 69622 Villeurbanne Cedex, France
1 Tel: 0021330821342; fax: 0021330821342

1 E-mail: zougarsaida@yahoo.fr


Received: 23 November 2013 /Accepted: 12 January 2014 /Published: 26 May 2014

Digital Sensors and Sensor Sysstems


Abstract: In this work, we focus mainly characterize and develop a new type of impedimetric sensor for the detection of acid orange 10 (AO10: textile dye) which is a toxic element in waters polluted by industrial waste. A siloprene based membrane was chosen, the used ionophore is the tridodecylamine (TDA). The results are interesting because the developed sensor gives a linear response range of concentrations 10-13 M - 10-3 M for acid orange 10 in aqueous medium with a good correlation coefficient of 0.9862 and a low detection limit of 10-13 M, indicating the sensitivity of the sensor overlooked the target element. Ion sensitivity of sensor has been tested for acid orange 10 via methyl blue (MB). A layer of tridodecylamine deposited on gold electrode has been characterized by impedance spectroscopy and cyclic voltammetry methods.


Keywords: Impedimetric sensor, Acid orange 10, Tridodecylamine, Cyclic voltammetry.


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