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Title: Determination of density and excess molar volume of dimethyl sulfoxide+1-allyl-3-methylimidazolium chloride mixtures at high pressure
Authors: de Pablo Nisa, Laura
Segovia, José J
Martín Martínez, Ángel
Martín González, Mª Carmen
Bermejo Roda, Mª Dolores
Issue Date: 2017
Publisher: Elsevier B.V.
Description: Producción Científica
Citation: The Journal of Supercritical Fluids, Volume 130, December 2017, Pages 76-83
Abstract: In this work, densities of dimethyl sulfoxide + 1-allyl-3-methylimidazolium chloride mixtures have been experimentally determined with a vibrating tube densimeter. Densities were measured at temperatures between 293.15 and 373.15 K and molar fractions of dimethyl sulfoxide xDMSO = 0, 0.05, 0.1, 0.15, 0.25, 0.5, 0.75, 0.9 and 1 at pressures in the range P = [0.1, 35] MPa. It was found that density increases with ionic liquid concentration and with pressure and decrease with temperature. Excess molar volumes were calculated resulting in negative values with a maximum of non-ideality at DMSO concentration of xDMSO = 0.5. The excess molar values were less negative at high pressures. At T = 330 K a maximum in the excess molar values was observed at several concentrations. Density was correlated as a function of temperature, pressure and concentration with an average relative deviation of 0.12%.
Keywords: Densidades
Classification: Ionic Liquid
1-Ally-3-methylimidazolium chloride
dimethyl sulfoxide
Excess Molar Volume
ISSN: 0896-8446
Peer Review: SI
DOI: j.supflu.2017.07.040
Sponsor: Junta de Castilla y León VA295U14
Ministerio de Economía. Programa Ramon y Cajal, RyC RYC-2013-13976
Publisher Version:
Rights Owner: Elsevier B.V.
Language: spa
Rights: info:eu-repo/semantics/embargoedAccess
An error occurred on the license name.
Appears in Collections:IPP - Artículos de revista

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