...physical properties that tend to differ from the properties of solutions of low molecular weight compounds (thermodynamic properties include vapor pressure depression, osmotic pressure, freezing point depression, transport properties include viscosity, diffusion, sedimentation, optical properties include flow birefringence, light scattering, etc.). (6)Surfactant solution When a certain substance (e.g. sodium alkylbenzene sulfonate) is dissolved in a liquid, the surface tension of the solution decreases significantly. Such substances are called surfactants. *Some of the terminology that mentions "surfactant solution" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…低分子化合物の溶液の性質とは異なる傾向の物理的性質(熱力学的性質としては蒸気圧降下,浸透圧,凝固点降下など,輸送現象などに関する性質としては粘性,拡散,沈降など,光学的性質としては流動複屈折,光散乱など)がみられる。(6)界面活性剤溶液surfactant solution ある種の物質(たとえばアルキルベンゼンスルホン酸ナトリウム)を液体に溶かすと,その溶液の表面張力が著しく減少する。このような物質を界面活性剤という。… ※「surfactant solution」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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