ULTRASONIC VIBRATION POTENTIALS AND THEIR USE IN THE DETERMINATION OF IONIC PARTIAL MOLAL VOLUMES.
ULTRASONIC VIBRATION POTENTIALS AND THEIR USE IN THE DETERMINATION OF IONIC PARTIAL MOLAL VOLUMES.
复制标题
超声波振动势及其在测定离子偏摩尔体积中的应用。
DOI：
10.1021/j100862a010
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发表时间：
1967
期刊：
影响因子：
--
通讯作者：
E. Yeager
中科院分区：
文献类型：
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作者：
R. Zana;E. Yeager
摘要：超声波在离子溶液中传播时，由于阳离子和阴离子对声波的动态反应不同，在溶液中产生交变电位差（离子振动电位）。效应的振幅是溶剂化离子的质量减去被每个离子置换的自由溶剂的质量的函数。对许多电解质进行了实验研究，特别注意消除可能的错误影响。观察到的离子振动势对各参数的依赖关系与理论很好地吻合。根据离子振动电位和密度数据，确定了若干简单单价离子的离子偏摩尔体积的绝对值，而没有对给定离子的值或任何离子对的值之比作任何假设。(作者)
Abstract : The propagation of ultrasonic waves through an ionic solution gives rise to alternating potential differences (ionic vibration potentials) within the solution as a result of differences in the dynamic reactions of the cations and anions to the acoustical waves. The amplitude of the effect is a function of the masses of the solvated ions minus the mass of the free solvent displaced by each ion. Experimental studies were carried out with many electrolytes with particular attention to the elimination of possible false effects. The observed dependence of the ionic vibration potentials on various parameters is in good agreement with theory. From ionic vibration potentials and density data, the absolute values for the ionic partial molal volumes were determined for a number of simple monovalent ions without any assumption as to the value for a given ion or the ratio of values for any pair of ions. (Author)