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Excess Molar Volumes of Binary Mixtures of Acetonitrile with n-Alkanols at 25°C

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Abstract

Molar excess volumes of acetonitrile with ten n-alkanols (from methanol to decanol) were determined from density measurements at 25°C and normal atmospheric pressure, using a vibrating-tube densimeter. V E for acetonitrile + methanol mixtures are negative over the entire range of mole fractions. The ethanol and propanol mixtures exhibit sigmoidal curves and positive values are obtained for all remaining mixtures. The results for V E were compared with those obtained using several theoretical models.

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Authors and Affiliations

  1. Cátedra de Fisicoquimica, Departamento de Quimica, Facultad de Ingeniería, Universidad Nacional del Comahue, Buenos Aires 1400 (, 8300), Neuquén, Argentina

    Miguel A. Postigo

Authors
  1. Silvia B. Aznarez
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  2. Miguel A. Postigo
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Aznarez, S.B., Postigo, M.A. Excess Molar Volumes of Binary Mixtures of Acetonitrile with n-Alkanols at 25°C. Journal of Solution Chemistry 27, 1045–1053 (1998). https://doi.org/10.1023/A:1022656505917

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  • DOI: https://doi.org/10.1023/A:1022656505917

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