Apparent molar volumes and compressibilities of lanthanum, gadolinium, lutetium and sodium trifluoromethanesulfonates in N,N-dimethylformamide and N,N-dimethylacetamide

被引：16

作者：

Warminska, Dorota ^{[1
]}

Fuchs, Anna ^{[2
]}

Lundberg, Daniel ^{[2
]}

机构：

[1] Gdansk Univ Technol, Dept Phys Chem, Fac Chem, PL-80233 Gdansk, Poland

[2] Swedish Univ Agr Sci, Dept Chem, S-75007 Uppsala, Sweden

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2013年 / 58卷

关键词：

Solvation; Apparent molar volume; Apparent molar isentropic compressibility; Lanthanoid(III) ions; N; N-dimethylacetamide; N-dimethylformamide; ULTRASONIC VELOCITY-MEASUREMENTS; ISENTROPIC COMPRESSIBILITIES; DIMETHYL-SULFOXIDE; LANTHANOID(III) IONS; REFRACTIVE-INDEX; HEAT-CAPACITIES; BINARY-MIXTURES; 298.15; K; TETRAALKYLAMMONIUM SALTS; SOLVATION STRUCTURE;

D O I：

10.1016/j.jct.2012.11.004

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The concentration and temperature dependencies of density of lanthanum, gadolinium, lutetium and sodium trifluoromethanesulfonates in N,N-dimethylformamide (DMF) and N,N-dimethylacetamide (DMA) have been determined. From density data the apparent molar volumes and partial molar volumes of the salts at infinite dilution as well as the expansibilities have been evaluated. The apparent molar isentropic compressibilities of lanthanum, gadolinium, lutetium and sodium trifluoromethanesulfonates in DMF and DMA have been calculated from sound velocity data obtained at 298.15 K. The results have been discussed in terms of ion-solvent interactions. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：46 / 54

页数：9

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