Density, speed of sound, heat capacity, and related properties of 1-hexanol and 2-ethyl-1-butanol as function of temperature and pressure

被引：28

作者：

Chorazewski, Miroslaw ^{[1
]}

Dzida, Marzena ^{[1
]}

Zorebski, Edward ^{[1
]}

Zorebski, Michal ^{[1
]}

机构：

[1] Univ Silesia, Inst Chem, PL-40006 Katowice, Poland

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2013年 / 58卷

关键词：

Compressed liquid; Speed of sound; Density; Heat capacity; Alkanols; Thermodynamic properties; EXCESS MOLAR VOLUMES; ISENTROPIC COMPRESSIBILITIES; THERMODYNAMIC PROPERTIES; ULTRASONIC SPEEDS; BINARY-MIXTURES; 318; K; THERMAL-EXPANSION; GROUP ADDITIVITY; ORGANIC LIQUIDS; HEXANE ISOMERS;

D O I：

10.1016/j.jct.2012.09.027

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The speeds of sound in 1-hexanol and 2-ethyl-1-butanol have been measured over the temperature range from (293.15 to 318.15) K and at pressures up to 101 MPa. The densities have been measured within the temperature range from (283.15 to 343.15 or 353.15) K under atmospheric pressure. For the measurements, a pulse-echo-overlap method and a vibrating tube densimeter have been used. Additionally, in the case of 2-ethyl-1-butanol, the isobaric heat capacities from T = (293.15 to 323.15) K at atmospheric pressure have been measured by means of a DSC calorimeter. The experimental results are then used to calculate the densities and isobaric heat capacities as a function of temperature and pressure by means of a numerical integration technique. The effects of pressure and temperature on these and the related properties are discussed. Densities are correlated by means of the Tait equation. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：389 / 397

页数：9

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