Partial Molar Volumes of 15-Crown-5 Ether in Mixtures of N,N-Dimethylformamide with Water

被引：8

作者：

Tyczynska, Magdalena ^{[1
]}

Jozwiak, Malgorzata ^{[1
]}

机构：

[1] Univ Lodz, Dept Phys Chem, PL-90236 Lodz, Poland

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2014年 / 43卷 / 02期

关键词：

N; N-Dimethylformamide-water mixture; 15-Crown-5; Density; Partial molar volume; Hydrophobic hydration; SOLUTE-SOLVENT INTERACTIONS; POLAR NONAQUEOUS SOLVENTS; BINARY-MIXTURES; AQUEOUS-SOLUTIONS; N-METHYLFORMAMIDE; CROWN-ETHERS; EXCESS-ENTHALPIES; LIQUID-MIXTURES; ADIABATIC COMPRESSIBILITIES; MOLECULAR-INTERACTIONS;

D O I：

10.1007/s10953-014-0138-7

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 density of 15-crown-5 ether (15C5) solutions in the mixtures of N,N-dimethylformamide (DMF) and water (H2O) was measured within the temperature range 293.15-308.15 K using an Anton Paar oscillatory U-tube densimeter. The results were used to calculate the apparent molar volumes (V-Phi) of 15C5 in the mixtures of DMF + H2O over the whole concentration range. Using the apparent molar volumes and Redlich and Mayer equation, the standard partial molar volumes of 15-crown-5 were calculated at infinite dilution (V-m degrees). The limiting apparent molar expansibilities (alpha) were also calculated. The data are discussed from the point of view of the effect of concentration changes on interactions in solution.

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页码：388 / 403

页数：16

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