The adsorption structure of nonionic surfactant on the sessile mercury electrode in a thin liquid film |
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Authors: | M Matsumoto M Kaisheva |
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Institution: | (1) Present address: Institute for Chemical Research, Kyoto University, Uji, 611 Kyoto, Japan;(2) Faculty of Chemistry, Sofia University, 1126 Sofia, Bulgaria |
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Abstract: | In relation to a colloid stability, the adsorption structure of the Stern layer on a sessile mercury electrode in a thin liquid film of nonionic surfactant was investigated by measuring the double layer capacitance. The Stern capacitance on the electrode in the film could be detected when the measuring frequency used was low, for the resistance of the film was not extremely high but of the order of several thousand ohm. It was found that the adsorption structure of nonionic surfactant in the thin liquid film shows a stratification different from that of bulk. |
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Keywords: | Thin liquid film sessile Hg electrode adsorption structure double layer capacitance nonionic surfactant |
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