Determination of the adsorption film characteristics of alkyltriphenylphosphonium cations from time dependent capacitance measurements

Author:

Anastopoulos Anastos,Christodoulou Anastasia

Abstract

The determination of the adsorbed film characteristics at the interface between methanolic solutions of quaternary phosphonium salts and the Hg electrode is carried out by means of time dependent capacitance measurements. The maximum surface concentration, the area per adsorbed particle and the orientation of methyltriphenyl-, cyclopropyltriphenyl-, and n-butyltriphenylphosphonium cations are derived by two methods, the first of which is free of isotherm assumptions and the second involves an adsorption isotherm obeyed by the system under examination.

Publisher

Institute of Organic Chemistry & Biochemistry

Subject

General Chemistry

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