Diffusion Coefficients for the Binary System Glycerol + Water at 25 °C. A Velocity Correlation Study

Diffusion coefficients for the binary system glycerol + water have been studied at 25 °C. Accurate mutual diffusion coefficients have been measured by the Taylor dispersion and Gouy interferometric techniques. Intradiffusion coefficients of both components have been measured by the pulsed gradient s...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2004-11, Vol.49 (6), p.1665-1670
Main Authors: D'Errico, Gerardino, Ortona, Ornella, Capuano, Fabio, Vitagliano, Vincenzo
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Exact sciences and technology
General and physical chemistry
General. Theory
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Summary:Diffusion coefficients for the binary system glycerol + water have been studied at 25 °C. Accurate mutual diffusion coefficients have been measured by the Taylor dispersion and Gouy interferometric techniques. Intradiffusion coefficients of both components have been measured by the pulsed gradient spin−echo−Fourier transform NMR technique. The collected diffusion coefficients have been combined with data of water excess chemical potential present in the literature to calculate the velocity correlation coefficients. The results have been interpreted in terms of molecular interactions.
ISSN:0021-9568
1520-5134
DOI:10.1021/je049917u