Partial molar volumes of organic solutes in water. XXVI. 15-Crown-5 and 18-crown-6 ethers at temperatures (298 to 573) K and pressures up to 30 MPa

被引：2

作者：

Cibulka, Ivan ^{[1
]}

机构：

[1] Inst Chem Technol, Dept Phys Chem, CR-16628 Prague, Czech Republic

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2015年 / 80卷

关键词：

Density; Partial molar volume; Aqueous crown ethers; High temperature; High pressure; Group contributions; VIBRATING-TUBE DENSIMETER; DILUTE AQUEOUS-SOLUTIONS; CROWN-ETHERS; CYCLIC ETHERS; ADIABATIC COMPRESSIBILITIES; ISENTROPIC COMPRESSIONS; ATMOSPHERIC-PRESSURE; INFINITE DILUTION; 25-DEGREES-C; ALCOHOLS;

D O I：

10.1016/j.jct.2014.08.019

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Densities of dilute aqueous solutions of two cyclic ethers, viz. 15-crown-5 and 18-crown-6, measured over the temperature range from (298 to 573) K and at pressures up to 30 MPa using an automated flow vibrating-tube densimeter are reported. Standard molar volumes were evaluated from the measured data. Present data were combined with those obtained previously for several cyclic ethers and predictions of standard molar volumes based on group contribution approach were tested and analysed. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：41 / 48

页数：8

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