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Title

Interfacial tensions of pyridinium-based ionic liquids and n-alkanes or n-alkanols

AuthorsMoneo, Andrea; Antón, Víctor; Martín, Santiago; Gascón, Ignacio; Lafuente, Carlos
Keywordsn-Alkane
n-Alkanol
Interfacial tension
Pyridinium-ILs
Issue Date2018
PublisherElsevier
CitationJournal of Molecular Liquids 255: 469-474 (2018)
AbstractInterfacial tensions of sixteen systems (pyridinium-based ionic liquid + n-alkane or n-alkanol) have been measured in the temperature range (283.15–313.15) K and at pressure of 0.1 MPa. The ionic liquids used were: 1-butylpyridinium tetrafluoroborate, 1-butyl-2-methylpyridinium tetrafluoroborate, 1-butyl-3-methylpyridinium tetrafluoroborate, and 1-butyl-4-methylpyridinium tetrafluoroborate. On the other hand, the organic solvents were: n-hexane, n-octane, n-hexanol, and n-octanol. The surface tensions of the organic liquids were also measured. The interfacial tensions for the systems involving n-alkanes are higher than for the systems containing n-alkanols. All the interfacial tensions decrease linearly with temperature. In addition the results have been interpreted using the equation proposed by Girifalco and Good.
Publisher version (URL)https://doi.org/10.1016/j.molliq.2018.01.017
URIhttp://hdl.handle.net/10261/181121
DOI10.1016/j.molliq.2018.01.017
ISSN0167-7322
E-ISSN1873-3166
Appears in Collections:(ICMA) Artículos
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