Adsorption of tert-butanol at the electrode from concentrated NaClO4 solutions

• Authors: Jolanta Nieszporek
• Languages of publication: EN

Abstracts

EN

The parameters of the double layer for tert-butanol adsorption determined in the supporting electrolytes: 2 mol dm−3, 3 mol dm−3 and 4 mol dm−3 NaClO4, show an increase of tert-butanol adsorption on the mercury electrode together with the increase of NaClO4 concentration. The adsorption of tert-butanol on the electrode takes place via the −CH3 group which is shown by the changes in the values of zero charge potentials, E
z. On the basis of the analysis of the changes of relative surface excess values, Γ′, and the parameters determining the maximum adsorption, the process of adsorption in the discussed systems can be recognized as a physical process. Besides, it can be said that a major drawback in the process of adsorption of the organic substance on the electrode is to remove water from the electrode surface.

Keywords

EN

Energy of adsorption; Adsorption isotherms; Tert-butanol; Concentrated NaClO4 solutions; Mercury electrode

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2013
• Volume: 11
• Issue: 1
• Pages: 86-93

Dates

published

1 - 1 - 2013

online

24 - 10 - 2012

Contributors

author

Jolanta Nieszporek

• Maria Curie-Skłodowska University

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Identifiers

DOI

10.2478/s11532-012-0137-8