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Thermodynamic quantities of surface formation of aqueous electrolyte solutions X. Aqueous solution of 2:1 valence-type salts.


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タイトル: Thermodynamic quantities of surface formation of aqueous electrolyte solutions X. Aqueous solution of 2:1 valence-type salts.
著者: Matubayasi, Norihiro / Takayama, Ken / Ito, Ryoko / Takata, Ryusei
発行日: 2011年 4月15日
出版者: Elsevier Inc.
引用: Journal of colloid and interface science, 356(2), pp.713-717; 2011
抄録: The behaviors of a series of calcium halides and of alkali earth metal chlorides in the air/water surface region were studied in comparison with those of alkali metal halides by measuring the surface tension increments of solutions. The effect of salts with divalent cations on the surface tension increments is more pronounced than that of uni-univalent salts, but there are some similarities between these two types. It seems that the anions cause a marked effect on surface tension which is proportional to the magnitude of hydration in the bulk water. We also observed a decrease in the entropy change of surface formation with increasing concentration. The importance of an electrical double layer at the surface is discussed in relation to these surface tension increments.
キーワード: Surface tension / Electrolyte solutions / Electrical double layer
URI: http://hdl.handle.net/10069/24971
ISSN: 00219797
DOI: 10.1016/j.jcis.2011.01.007
PubMed ID: 21310427
権利: Copyright © 2011 Elsevier Inc. All rights reserved.
資料タイプ: Journal Article
原稿種類: author
出現コレクション:080 学術雑誌論文

引用URI : http://hdl.handle.net/10069/24971

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