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首页> 外文期刊>Tenside Surfactants Detergents: Journal for Theory, Technology and Application of Surfactants >Micellar Parameters of Cationic Surfactant Cetylpyridinium Bromide in Aqueous Solutions of Amino Acids at Different Temperatures: Conductometric, Surface Tension, Volumetric and Viscosity Study
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Micellar Parameters of Cationic Surfactant Cetylpyridinium Bromide in Aqueous Solutions of Amino Acids at Different Temperatures: Conductometric, Surface Tension, Volumetric and Viscosity Study

机译:不同温度下氨基酸水溶液中阳离子表面活性剂甲吡啶吡啶溴化物的胶束参数:电导测定,表面张力,体积和粘度研究

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摘要

The effect of amino acids (L-glycine, L-alanine, L-phenylalanine, L-serine, L-leucine, L-aspartic acid, L-lysine, L-methionine) on the micellization, surface activity, volumetric and viscometric properties of the cationic surfactant cetylpyridinium bromide in aqueous solution was studied. The critical micelle concentration and free energy of micellization were evaluated and discussed. The surface excess concentration, the minimum area per molecule, the surface pressure at the critical micelle concentration and the standard free energy of adsorption were obtained from the surface activity studies. The behavior of standard partial molar volume is discussed. The viscosity data were analyzed by Jones-Dole semi-empirical equation for both the premicellar and postmicellar regions.
机译:氨基酸(L-甘氨酸,L-丙氨酸,L-苯丙氨酸,L-丝氨酸,L-亮氨酸,L-赖氨酸,L-赖氨酸,L-丙氨酸)对胶束化,表面活性,体积和粘度性能的影响 研究了阳离子表面活性剂在水溶液中的溴化吡啶鎓溴。 评估并讨论胶束化的临界胶束浓度和自由能。 表面过量浓度,每分子的最小面积,临界胶束浓度下的表面压力和吸附的标准自由能量获得。 讨论了标准部分摩尔体积的行为。 琼斯-Dole半经验方程对Premicellar和后后区域的分析粘度数据。

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