Manifestation of ion specificity in the behavior of the dynamic dielectric permittivity of aqueous solutions of alkali metal halides

被引：1
作者：
Shagieva, F. M. [1 ]
Boinovich, L. B. [1 ]
机构：
[1] Russian Acad Sci, AN Frumkin Inst Phys Chem & Electrochem, Moscow 117901, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2013年 / 54卷
关键词：
aqueous solutions of potassium halides; dispersion of refractive indices; specific ion effect; dynamic dielectric permittivity; effective polarizability; ELECTROLYTE-SOLUTIONS; WATER-MOLECULES; AB-INITIO; SOLVATION; HYDRATION; THERMODYNAMICS; SPECTROSCOPY; POTENTIALS; STABILITY; FORCES;
D O I：
10.1134/S0022476613080143
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Dispersions of the refractive index are measured in aqueous solutions of potassium halides at different salt concentrations and temperatures of the solutions. The specific effect of anions on the dynamic dielectric permittivity of the solutions is found. A model is proposed to evaluate the character of changes in the dynamic dielectric permittivity of the solutions and effective dynamic polarizabilities of ions in the solutions based on the data about the dispersion of refractive indices. The role of ion sizes and the character of their interaction with a solvent in the manifestation of specific ion effects are discussed.
引用
收藏
页码：345 / 354
页数：10
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