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Thermodynamic quantities of surface formation of aqueous electrolyte solutions VIII. Aqueous solutions of sulfates salts.


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タイトル: Thermodynamic quantities of surface formation of aqueous electrolyte solutions VIII. Aqueous solutions of sulfates salts.
著者: Matubayasi, Norihiro / Tsuchihashi, Susumu / Yoshikawa, Ryuji
発行日: 2009年 1月15日
出版者: Academic Press
引用: Journal of colloid and interface science, 329(2), pp.357-360; 2009
抄録: In this work the surface tension of the aqueous solutions of alkali metal sulfate, magnesium sulfate, and magnesium nitrate have been measured with an expectation that the effect of sulfate salts on the air/water surface differs from that of typical electrolyte because of their peculiar results of surface potential data. The results show that the slope of surface tension-concentration curves of sulfate salts depends to some extent upon cations while that of alkali metal nitrate gives almost the same magnitude. In order to make comparison with salts of different valence types, we used the ratio of surface excess density to bulk concentration of a salt as an index of surface activity of the salt. It was shown that the surface activity of a salt largely dependent upon its valence type as well as its specific property of anion.
キーワード: surface tension / electrolytes
URI: http://hdl.handle.net/10069/20790
ISSN: 10957103
DOI: 10.1016/j.jcis.2008.09.081
PubMed ID: 18930247
権利: Copyright © 2008 Elsevier B.V. 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/10069/20790

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