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Título
Solid–Liquid Equilibria for the Binary Systems Naphthalene or Biphenyl + 1-Tetradecanol or + 1-Hexadecanol
Autor
Año del Documento
2023
Editorial
Springer
Documento Fuente
Journal of Solution Chemistry, 2024, 53, 160-181
Abstract
A differential scanning calorimetric technique has been used to obtain solid-liquid equilibrium temperatures for the mixtures naphthalene or biphenyl + 1-tetradecanol, or + 1-hexadecanol. All the systems show a simple eutectic point, whose final composition was determined by means of the Tamman’s plots using the needed values of the eutectic heat and of the heat of melting, which are also reported. DISQUAC interaction parameters for the OH/aromatic contacts in the selected systems are given. The present experimental SLE phase diagrams are similarly described by DISQUAC and UNIFAC (Dortmund) models. However, the comparison of DISQUAC and UNIFAC results for systems involving naphthalene and shorter 1-alkanols (methanol-1-octanol) reveals that the temperature dependence of the interaction parameters is more suitable in DISQUAC. The systems are also investigated in terms of the concentration-concentration structure factor. It is shown that the positive deviations from the Raoult’s law of the studied solutions become weaker when the homocoordination decreases.
Materias (normalizadas)
Termodinámica
Materias Unesco
2213 Termodinámica
ISSN
0095-9782
Revisión por pares
SI
Patrocinador
Project VA100G19 (Apoyo a GIR), Castilla y Leon Regional Grant
Version del Editor
Idioma
spa
Tipo de versión
info:eu-repo/semantics/submittedVersion
Derechos
openAccess
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