Isopiestic determination of the osmotic coefficient and vapour pressure of N-R-4-(N,N-dimethylamino)pyridinium tetrafluoroborate (R = C4H9, C5H11, C6H13) in the ethanol solution at T=298.15 K

被引：3

作者：

Sardroodi, Jaber Jahanbin ^{[1
]}

Atabay, Maryam ^{[1
]}

Azamat, Jafar ^{[1
]}

机构：

[1] Azarbaijan Univ Tarbiat Moallem, Mol Simulat Lab, Tabriz, Iran

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2012年 / 49卷

关键词：

N-R-4-(N; N-dimethylamino)pyridinium tetrafluoroborate; Osmotic coefficient; Ethanol; Pitzer model; e-NRTL model; NRF model; TEMPERATURE IONIC LIQUIDS; 1-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE; THERMODYNAMICS; ELECTROLYTES; MIXTURES; SOLVENTS;

D O I：

10.1016/j.jct.2012.01.007

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Osmotic coefficients of the solutions of room temperature ionic liquid N-R-4-(N,N-dimethylamino)pyridinium tetrafluoroborate (R = C4H9, C5H11, C6H13) in ethanol have been measured at T = 298.15 K by the isopiestic method. The experimental osmotic coefficients have been correlated using the ion interaction model of Pitzer, electrolyte non-random two liquid (e-NRTL) model of Chen, non-random factor (NRF) and a fourth-order polynomial in terms of molality. The vapour pressures of the solutions studied have been evaluated from the osmotic coefficients. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：70 / 74

页数：5

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