Electrochemical study of the complexation of methyl yellow with some metal ions as a model for doped poly azo compound

Ibrahim, A.A. and Yahya, R. (2012) Electrochemical study of the complexation of methyl yellow with some metal ions as a model for doped poly azo compound. Asian Journal of Chemistry, 24 (6). pp. 2634-2636. ISSN 09707077

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Abstract

The electrochemical behaviour of the complexation of 4- dimethylaminoazobenzene (methyl yellow) with some metal ions has been evaluated using square wave voltammetry. The interactions between the azo compound with metal ions Co 2+, Cd 2+, Rb+, Rh 3+, Ti 3+, Hg 2+, La 3+ and Sc 3+ were measured in phosphate buffer solution at pH 7. The slope obtained from the relationship between diffusion current (Ip) and concentration of azo compound is most steep for Sc 3+ while Rb+ has the least steep slope. This indicates that amongst the metal ions investigated, Sc 3+ has the most interaction with the azo compound.

Item Type: Article
Uncontrolled Keywords: Complexation Electrochemical Metal ions Methyl yellow Square wave voltammetry
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Depositing User: miss munirah saadom
Date Deposited: 05 Jul 2013 01:57
Last Modified: 05 Jul 2013 01:57
URI: http://eprints.um.edu.my/id/eprint/6679

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