The Interpretation of Surface Tension Data for Solutions of Ionic Surfactants in the Presence of Electrolyte
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概要
- 論文の詳細を見る
An improved method is presented for interpreting surface tension data on solutions of an ionic surfactant to which has been added an electrolyte whose co-ion has the same valence as the surfactant ion. Adequate account is taken of co-ion adsorption and of deviations from ideality of the solution. When a monolayer of surfactant ions is formed and the distributions of free surfactant ions and co-ions in the region adjacent to it are determined predominantly by electrostatic repulsion, it is shown that the separate contributions to the total Gibbs excess of surfactant ions from the monolayer and the adjacent region can be obtained. Finally some experimental data are re-examined and a simple explanation is given for the minimum reported to occur in co-ion adsorption as the surfactant ion concentration is increased at constant co-ion concentration.
- 公益社団法人 日本化学会の論文
著者
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Shinoda Kozo
Department of Chemistry Faculty of Engineering Yokohama National University
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Hall Denver
Unilever Research, Port Sunlight Laboratory
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Pethica Brian
Unilever Research, Port Sunlight Laboratory
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