ENTHALPIES OF TRANSFER OF 2-METHYL-2-PROPANOL FROM WATER TO MIXTURES OF WATER WITH METHANOL, ETHANOL AND 1,4-DIOXANE

被引：21

作者：

FEAKINS, D ^{[1
]}

MULLALLY, J ^{[1
]}

WAGHORNE, WE ^{[1
]}

机构：

[1] NATL UNIV IRELAND UNIV COLL DUBLIN,DEPT CHEM,DUBLIN 4,IRELAND

来源：

JOURNAL OF SOLUTION CHEMISTRY | 1990年 / 19卷 / 04期

关键词：

1,4-dioxane; 2-methyl-2propanol; Enthalpy of transfer; ethanol; methanol; mixed solvents; water;

D O I：

10.1007/BF00648144

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：

The enthalpies of transfer of 2-methyl-2-propanol (TBA) from water to mixtures of water with methanol, ethanol and 1,4-dioxane have been measured. The data are considered in terms of recently developed theory, and it is found that the enthalpies of transfer can be reproduced quantitatively over most of the composition range in each solvent system. The parameters recovered from the analyses indicate that the net effect of TBA on the solvent structure is a breaking of solvent-solvent bonds and that TBA is preferentially hydrated in the aqueous alcohol systems, but randomly solvated in the water+1,4-dioxane system. It is also found that the model parameters for TBA solvation in the alcohol systems are independent of the alcohol. © 1990 Plenum Publishing Corporation.

引用

页码：401 / 408

页数：8

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