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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/4705

    Título
    Thermodynamics of Mixtures Containing Amines. XV. Liquid–Liquid Equilibria for Benzylamine + CH3(CH2)nCH3 (n = 8, 9, 10, 12, 14)
    Autor
    Alonso Tristán, CristinaUBU authority Orcid
    González, Juan Antonio
    García de la Fuente, Isaías
    Cobos, José Carlos .
    Publicado en
    Journal of Chemical and Engineering Data. 2014, V. 59, n. 6, p. 2101–2105
    Editorial
    American Chemical Society
    Fecha de publicación
    2014-06
    ISSN
    0021-9568
    DOI
    10.1021/je500283s
    Abstract
    Coexistence curves for the liquid−liquid equilibria (LLE) of 1-phenylmethanamine (benzylamine) + CH3(CH2)nCH3 (n = 8, 9, 10, 12, 14) have been determined using the critical opalescence method by means of a laser scattering technique. All of the LLE curves show an upper critical solution temperature (UCST), which increases with increasing n. For systems including a given n-alkane, the UCST decreases in the sequence aniline > 2-methylaniline (o-toluidine) > benzylamine > N-methylaniline > pyridine. This means that amine−amine interactions become weaker in the same order. Most of the DISQUAC interaction parameters for the aliphatic/amine (a,n) and aromatic/ amine (b,n) contacts previously determined for solutions with aniline, o-toluidine, or N-methylaniline have been used for the representation of the LLE data. Only the first dispersive interaction parameter of the (a,n) contact has been modified. The coordinates of the critical points are correctly represented by the model.
    Materia
    Ingeniería química
    Chemical engineering
    URI
    http://hdl.handle.net/10259/4705
    Versión del editor
    https://doi.org/10.1021/je500283s
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