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Liquid Densities and Refractive Indices of Binary Mixtures for the Dimethyl Ether of a Glycol + Ethanol from T = 288.15 K to 318.15 K

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    Liquid Densities and Refractive Indices of Binary Mixtures for the Dimethyl Ether of a Glycol + Ethanol from T = 288.15 K to 318.15 K
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    Department of Applied Chemistry, Providence University, Shalu, Taiwan 433, Republic of China
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    Journal of Chemical & Engineering Data

    Cite this: J. Chem. Eng. Data 2004, 49, 2, 357–362
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    https://doi.org/10.1021/je0302304
    Published February 6, 2004
    Copyright © 2004 American Chemical Society
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    Abstract

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    Experimental results are reported for densities, ρ, and refractive indices, nD, of {(x)CH3(OCH2CH2)νOCH3 + (1 − x)C2H5OH} for ν = 1−4 at T = (288.15, 298.15, 308.15, and 318.15) K and atmospheric pressure over the entire mole fraction range. Densities were measured with a vibrating-tube densimeter, and excess volumes molar volumes, VE, for the mixtures were derived. Refractive indices were measured using a digital refractometer, and deviations as a function of mole fraction, ΔnD, were calculated from the experimental data. The excess molar volumes are negative in every case and become more negative as the ν of the glycol increases. The deviations in refractive indices are generally positive and increase as the ν of the glycol increases. Excess molar volumes increase as the temperature increases, while deviations in refractive indices decrease as the temperature increases. The temperature has no significant effect on VE of the glycols with ν = 3 and 4 in ethanol. Values of excess volumes and deviations in refractive indices as a function of composition were fitted to the Redlich−Kister equation.

    Copyright © 2004 American Chemical Society

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     Corresponding author. E-mail:  [email protected].

    Cited By

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    This article is cited by 24 publications.

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    14. Muhammad A. Saleh, Shamim Akhtar, M. Shamsuddin Ahmed. Density, viscosity and thermodynamics for viscous flow of water + 1,2-dimethoxyethane. Physics and Chemistry of Liquids 2008, 46 (2) , 140-153. https://doi.org/10.1080/00319100601100930
    15. Ch. Wohlfarth. Refractive index of 1,2-dimethoxyethane. 2008, 224-225. https://doi.org/10.1007/978-3-540-75291-2_113
    16. Ch. Wohlfarth. Refractive index of bis(2-methoxyethyl) ether. 2008, 376-376. https://doi.org/10.1007/978-3-540-75291-2_224
    17. Ch. Wohlfarth. Refractive index of triethylene glycol dimethyl ether. 2008, 468-468. https://doi.org/10.1007/978-3-540-75291-2_279
    18. Ch. Wohlfarth. Refractive index of tetra(ethylene glycol) dimethyl ether. 2008, 515-516. https://doi.org/10.1007/978-3-540-75291-2_316
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    20. Ch. Wohlfarth. Refractive index of the mixture (1) ethanol; (2) 1,2-dimethoxyethane. 2008, 944-946. https://doi.org/10.1007/978-3-540-75291-2_608
    21. Ch. Wohlfarth. Refractive index of the mixture (1) ethanol; (2) bis (2-methoxyethyl) ether. 2008, 977-979. https://doi.org/10.1007/978-3-540-75291-2_629
    22. Ch. Wohlfarth. Refractive index of the mixture (1) ethanol; (2) triethylene glycol dimethyl ether. 2008, 1013-1015. https://doi.org/10.1007/978-3-540-75291-2_644
    23. Ch. Wohlfarth. Refractive index of the mixture (1) ethanol; (2) tetra(ethylene glycol) dimethyl ether. 2008, 1040-1042. https://doi.org/10.1007/978-3-540-75291-2_654
    24. Simon Schrödle, Glenn Hefter, Richard Buchner. Effects of hydration on the thermodynamic properties of aqueous ethylene glycol ether solutions. The Journal of Chemical Thermodynamics 2005, 37 (5) , 513-522. https://doi.org/10.1016/j.jct.2004.10.006
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    Journal of Chemical & Engineering Data

    Cite this: J. Chem. Eng. Data 2004, 49, 2, 357–362
    Click to copy citationCitation copied!
    https://doi.org/10.1021/je0302304
    Published February 6, 2004
    Copyright © 2004 American Chemical Society
    Request reuse permissions

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