Density and Excess Molar Volume of the Protic Ionic Liquid Bis(2-hydroxyethyl)ammonium Acetate with Alcohols

被引：45

作者：

Kurnia, Kiki Adi ^{[1
]}

Ariwahjoedi, B. ^{[2
]}

Mutalib, M. I. Abdul ^{[1
]}

Murugesan, T. ^{[1
]}

机构：

[1] Univ Teknol Petronas, Dept Chem Engn, Tronoh 31750, Malaysia

[2] Univ Teknol Petronas, Dept Fundamental & Appl Sci, Tronoh 31750, Malaysia

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2011年 / 40卷 / 03期

关键词：

Protic ionic liquids; Experimental densities; Coefficient of thermal expansion; Excess molar volumes; PHYSICAL-PROPERTIES; BINARY-MIXTURES; 298.15; K; THERMOPHYSICAL PROPERTIES; ATMOSPHERIC-PRESSURE; REFRACTIVE-INDEX; TEMPERATURE; WATER; BIS(TRIFLUOROMETHYLSULFONYL)IMIDE; TETRAFLUOROBORATE;

D O I：

10.1007/s10953-011-9658-6

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：

Densities were determined for binary mixtures containing the protic ionic liquid bis(2-hydroxyethyl) ammonium acetate [BHEAA] and an alcohol (methanol, ethanol, and 1-propanol) at four different temperatures (293.15, 303.15, 313.15, and 323.15) K and ambient pressure. Coefficients of thermal expansion and excess molar volumes were calculated from the experimental densities. The excess molar volumes were fitted using the Redlich-Kister polynomial equation. Negative deviations from ideal behavior of the excess molar volume were observed for all systems investigated in this study. The results were interpreted in terms of ion-dipole interactions and structural factors of the ionic liquid and alcohol. It was observed that an increase of the alcohol carbon chain length led to lower interactions on mixing.

引用

页码：470 / 480

页数：11

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