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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleDensities, speeds of sound, and refractive indices for binary mixtures of 1-butyl-3-methylimidazolium methyl sulphate ionic liquid with alcohols at T = (298.15, 303.15, 308.15, and 313.15) Kpt_BR
dc.contributor.authorSingh, Spt_BR
dc.contributor.authorAznar, Mpt_BR
dc.contributor.authorDeenadayalu, Npt_BR
unicamp.authorSingh, Sangeeta Deenadayalu, Nirmala Durban Univ Technol, Dept Chem, ZA-4000 Durban, South Africapt_BR
unicamp.authorAznar, Martin Univ Estadual Campinas, UNICAMP, Sch Chem Engn, BR-13083852 Campinas, SP, Brazilpt_BR
dc.subjectRefractive indexpt_BR
dc.subjectSpeed of soundpt_BR
dc.subjectIonic liquidspt_BR
dc.subject.wosExcess Molar Volumespt_BR
dc.subject.wosMethanol Plus Waterpt_BR
dc.subject.wosIsentropic Compressibilitiespt_BR
dc.subject.wos1-ethyl-3-methylimidazolium Trifluoromethanesulfonatept_BR
dc.subject.wosThermodynamic Propertiespt_BR
dc.subject.wosDifferent Temperaturespt_BR
dc.description.abstractExperimental densities, speeds of sound, and refractive indices of the binary mixtures {1-butyl-3-methylimidazolium methylsulphate ([BMIM](+)[MeSO4](-)) + methanol, or 1-propanol, or 2-propanol, or 1-butanol} were measured over the whole range of composition at T = (298.15, 303.15, 308.15, and 313.15) K. From the experimental data, excess molar volumes, excess isentropic compressibilities, deviation in refractive indices and molar refractions were calculated. The excess molar volumes, change in isentropic compressibilities, and deviation in refractive indices were fitted by the Redlich-Kister smoothing polynomial. The Lorentz-Lorenz equation was applied to correlate the volumetric properties and predict the density or the refractive index of the binary mixtures. Results for these quantities have been discussed in terms of intermolecular interactions between the components of the mixtures. For all the systems studied, the excess molar volume and excess isentropic compressibility are negative, while the change in refractive index on mixing is always positive over the entire composition range and at all temperatures. (C) 2012 Elsevier Ltd. All rights
dc.relation.ispartofJournal Of Chemical Thermodynamicspt_BR
dc.relation.ispartofabbreviationJ. Chem. Thermodyn.pt_BR
dc.publisherAcademic Press Ltd- Elsevier Science Ltdpt_BR
dc.identifier.citationJournal Of Chemical Thermodynamics. Academic Press Ltd- Elsevier Science Ltd, v. 57, n. 238, n. 247, 2013.pt_BR
dc.sourceWeb of Sciencept_BR
dc.description.sponsorshipDepartment of Science and Technology (SA)pt_BR
dc.description.sponsorshipNational Research Foundation (SA)pt_BR
dc.description.sponsorshipDurban University of Technologypt_BR
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
dc.description.sponsorship1Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
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