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Asian Journal of Research in Chemistry
Year : 2018, Volume : 11, Issue : 2
First page : ( 391) Last page : ( 394)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2018.00070.6

Electrochemical behaviour of In(III) with Isoleucine in aqueous and nonaqueous media at Dropping Mercury Electrode

Singh Jyoti1, Sharma Sushil Kumar2,*

1Assistant Professor, Department of Chemistry, Uka Tarsadia University, Bardoli, Gujarat, INDIA

2Assistant Professor, Department of Pure & Applied Chemistry, University of Kota, Kota, Rajasthan, INDIA

*Corresponding Author E-mail: sksharmauok@gmail.com

Online published on 2 June, 2018.

Abstract

Studies of In(III) metal with Isoleucine have been carried out by Polarographic method in non-aqueous (20%, 40%, DMSO) medium under varying temperatures at 308K and 318K. Potassium Nitrate was used as a supporting electrolyte. The reduction of In(III) was found to be quasi-reversible in non-aqueous medium. Isoleucine ligand has shown the formation of 1: 1, 1: 2 and 1: 3 complexes. DeFord and Hume method has been applied for the determination of composition and stability constants of the complex species. The changes in thermodynamic parameters ΔH°, ΔG°, ΔS°, accompanying complexation have been evaluated. The mathematical Mihailov's method has also been applied for the comparison of stability constants values.

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Keywords

In(III), Isoleucine, Stability Constant.

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