The effect of adenine adsorption on Zn (II) electroreduction in acetate buffer.

Dorota Gugała-Fekner

doi:10.17344/acsi.2017.3652

The effect of adenine adsorption on Zn (II) electroreduction in acetate buffer.

Authors

Dorota Gugała-Fekner Marie Curie Sklodowska University

DOI:

https://doi.org/10.17344/acsi.2017.3652

Keywords:

Adsorption, isotherm electrosorption, differential capacity, adenine

Abstract

The paper presents the thermodynamic analysis of adenine adsorption on a mercury electrode in an acetate buffer at pH 3 and pH 4. Adsorption energy and constants were determined using the Frumkin isotherm and the virial isotherm. Stronger adsorption in the buffer at pH 3 was observed in comparison to the buffer at pH 4. Using cyclic voltammetry and Faraday impedance measurement, an inhibitory effect of adenine on the kinetics of Zn(II) ion electro-reduction was observed.

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Published

20.03.2018

Issue

Vol. 65 No. 1 (2018)

Section

Physical chemistry

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