On the Polarographic Limiting Current of Solubilized Dye in Nonionic Surfactant Solutions
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概要
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The nature of the limiting current of the reduction of solubilized dye with nonionic surfactants on a mercury-drop electrode was examined. The solution of anthraquinone derivatives solubilized in an aqueous solution of a nonionic surfactant showed a proportionality of the limiting current to the dye concentration. The linear dependence of the current on the square-root of the mercury-column height, the solpe of the log-plot, and the <I>i</I>-<I>t</I> curves indicated the limiting current to be diffusion-controlled. From the <I>i</I>-<I>t</I> curve measurements, the acceleration of the instantaneous current at the end of the mercury-drop growth was observed with the polyoxyethylene nonylphenylether and Triton X-100. This can be interpreted in relation to the reorientation of the surfactant molecules.
- 公益社団法人 日本化学会の論文
著者
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Hayano Shigeo
Institute of Industrial Science, The University of Tokyo
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Shinozuka Noriko
Institute of Industrial Science, The University of Tokyo
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