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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/4951

    Título
    Liquid−Liquid Equilibria for 2‑Phenylethan-1-ol + Alkane Systems
    Autor
    Alonso Tristán, CristinaUBU authority Orcid ORCID
    González, Juan Antonio .
    García de la Fuente, Isaías .
    Sanz, Luis Felipe .
    Cobos, José Carlos .
    Publicado en
    Journal of Chemical and Engineering Data. 2013, V. 73, n. 2, p. 429–435
    Editorial
    American Chemical Society
    Fecha de publicación
    2018-02
    ISSN
    0021-9568
    DOI
    10.1021/acs.jced.7b00869
    Abstract
    The liquid–liquid equilibrium (LLE) curves for 2-phenylethan-1-ol (2-phenylethanol, 2PhEtOH) + octane, + decane, + dodecane, + tetradecane or + 2,2,4-trimethylpentane have been determined by a method of turbidimetry using a laser scattering technique. Experimental results reveal that the systems are characterized by an upper critical solution temperature (UCST), which increases linearly with the number of C atoms of the n-alkane. In addition, the LLE curves have a rather horizontal top and become skewed to higher mole fractions of the n-alkane, when its size increases. For a given n-alkane, UCST decreases as follows: phenol > phenylmethanol > 2-PhEtOH, indicating that dipolar interactions decrease in the same sequence. This has been ascribed to a weakening in the same order of the proximity effects between the phenyl and OH groups of the aromatic alkanols. DISQUAC interaction parameters for OH/aliphatic and OH/aromatic contacts in the investigated systems are reported. Phenol, or phenylmethanol or 2-PhEtOH, + n-alkane mixtures only differ by the first dispersive Gibbs energy interaction parameter for the (OH/aliphatic) contact
    Materia
    Ingeniería química
    Chemical engineering
    URI
    http://hdl.handle.net/10259/4951
    Versión del editor
    https://doi.org/10.1021/acs.jced.7b00869
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