Review of Polarography
Online ISSN : 1884-7692
Print ISSN : 0034-6691
ISSN-L : 0034-6691
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57 巻, 1 号
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  • 相互溶解しにくい２相界面近傍に生成するエマルション
    青木 幸一
    2011 年57 巻1 号 p. 3-15
    発行日: 2011/05/31
    公開日: 2011/06/28
    DOIhttps://doi.org/10.5189/revpolarography.57.3
    ジャーナル フリー
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    When hydrophobic oil phase came in quiescent contact with aqueous phase, water-droplets and oil droplets were formed spontaneously near the oil|water interfaces in foreign phases. Droplets had uniform size and were electrically charged. They were electroactive when they contained electroactive species. Similar behavior was found in hydrogen-bubbled aqueous solution, in which bubbles with common size were stable. Expressions for size-distribution were derived on the concept of statistical mechanics, in which both the surface energy at the interfaces of droplets and the entropy of combinations of various sized droplets were taken into account. The stable size was the largest and the smallest. The largest droplets can be generated by balance of diffusion with gravitation.
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