Adsorption of tetramethylthiourea in concentrated NaClO4 solutions

Author:

Sieńko Dorota,Gugała-Fekner Dorota,Nieszporek Jolanta,Fekner Zygmunt,Saba Jadwiga

Abstract

Tetramethylthiourea electrosorption behaviour on the mercury electrode in 2, 3 and 4 mol l–1 NaClO4 was determined by means of double-layer differential capacity measurements. The relative surface excess Γ′ of the adsorbate calculated from the surface pressures depended on the NaClO4 concentration. A clear influence of NaClO4 concentration appeared in the changes of interaction parameter A obtained from the Flory–Huggins isotherm and in the permittivity parameter of the inner layer.

Publisher

Institute of Organic Chemistry & Biochemistry

Subject

General Chemistry

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