Partial molar volumes of organic solutes in water. XXIV. Selected alkane-α,ω-diols at temperatures T=298K to 573K and pressures up to 30MPa

I. Cibulka; L. Hnědkovský

doi:10.1016/j.jct.2013.05.004

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Partial molar volumes of organic solutes in water. XXIV. Selected alkane-α,ω-diols at temperatures T=298K to 573K and pressures up to 30MPa

Journal article

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Partial molar volumes of organic solutes in water. XXIV. Selected alkane-α,ω-diols at temperatures T=298K to 573K and pressures up to 30MPa

I. Cibulka and L. Hnědkovský

The Journal of Chemical Thermodynamics, Vol.64, pp.231-238

2013

DOI: https://doi.org/10.1016/j.jct.2013.05.004

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Abstract

Density data for dilute aqueous solutions of three alkane-α,ω- diols (pentane-1,5-diol, octane-1,8-diol, nonane-1,9-diol) are presented together with standard molar volumes (partial molar volumes at infinite dilution) calculated from the experimental data. The measurements were performed at temperatures from T = 298 K up to T = 573 K. Experimental pressures were slightly above the saturation vapour pressure of water, and (15 and 30) MPa. The data were obtained using a high-temperature high-pressure flow vibrating-tube densimeter. Measured standard molar volumes were combined with data previously published for other members of the homologous series and discussed. Experimental standard molar volumes were correlated as a function of temperature and pressure using an empirical polynomial function. Dependences of standard molar volumes on temperature and pressure were analysed. Contributions of the methylene group to the standard molar volume were also evaluated and discussed.

Details

Title: Partial molar volumes of organic solutes in water. XXIV. Selected alkane-α,ω-diols at temperatures T=298K to 573K and pressures up to 30MPa
Authors/Creators: I. Cibulka (Author/Creator)
L. Hnědkovský (Author/Creator)
Publication Details: The Journal of Chemical Thermodynamics, Vol.64, pp.231-238
Publisher: Academic Press
Identifiers: 991005541620907891
Murdoch Affiliation: School of Veterinary and Life Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.89 Ionic, Molecular & Complex Liquids; 2.89.462 Excess Molar Volumes
Web Of Science research areas: Chemistry, Physical; Thermodynamics
ESI research areas: Chemistry