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Limiting Diffusion Coefficients of Ethyl Benzoate, Benzylacetone, and Eugenol in Carbon Dioxide at Supercritical Conditions

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Departamento de Ingeniería Química y T.M.A., Universidad de Oviedo, 33071 Oviedo, Spain
* Corresponding author. Tel: +34 985 103510 . Fax: +34 985 103434. E-mail: [email protected].
Cite this: J. Chem. Eng. Data 2008, 53, 3, 779–784
Publication Date (Web):February 22, 2008
https://doi.org/10.1021/je700646e
Copyright © 2008 American Chemical Society

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    Abstract

    The binary diffusions of ethyl benzoate, benzylacetone, and 2-methoxy-4-(2-propenyl)phenol (eugenol) at infinite dilution in supercritical carbon dioxide were measured between (15.0 and 35.0) MPa and in the temperature range of (313 to 333) K by the Taylor−Aris chromatographic method. The measured values were compared with the calculated ones using several predictive formulas. The effect of temperature, pressure, viscosity, and density is also discussed.

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