Hydration constants of simple non-electrolytes in aqueous solutions determined by the acoustic method

被引：2

作者：

Glinski, Jacek ^{[1
]}

Burakowski, Andrzej ^{[1
]}

机构：

[1] Univ Wroclaw, Fac Chem, PL-50383 Wroclaw, Poland

来源：

CHEMICAL PHYSICS LETTERS | 2014年 / 614卷

关键词：

WATER-ORGANIC MIXTURES; ADIABATIC COMPRESSIBILITIES; POSITRON-ANNIHILATION; VELOCITY; DEPENDENCE; VOLUMES; NUMBERS; SOUND;

D O I：

10.1016/j.cplett.2014.09.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

New quasi-chemical models are developed to estimate semi-quantitatively the equilibrium constants of hydrate formation, which also explain the parabolic-shaped dependences of sound speed or compressibility on concentration of non-electrolytes in their aqueous solutions. It was shown that only two fitted parameters, the hydration number n(h) and the formation constant of the hydrate beta, are able to reproduce satisfactorily the experimental data. The results obtained are spectacular and consistent with former observation concerning hydration of non-electrolytes. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：49 / 52

页数：4

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