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Excess molar enthalpies of (acetonitrile  +  butan-2-one) and (methanol +  acetonitrile  +  butan-2-one) atT =  298.15 K
Institution:1. Department of Informatics and Statistics, Universidade Federal de Santa Catarina (UFSC), P.O. Box: 476, 88010-970 Florianópolis, SC, Brazil;2. Laboratorio de Controle de Processos, Departments of Chemical Engineering and Food Engineering, Universidade Federal de Santa Catarina (UFSC), P.O. Box: 476, 88010-970 Florianópolis, SC, Brazil;3. Laboratoire Matériaux Molécules et Applications-IPEST La Marsa, Tunisia;4. Laboratoire Réaction et Génie des procédés LRGP Equipe: Membrane, Séparation et Procédés, 1 Rue Grandville, 54001 Nancy, France;5. Department of Chemical and Materials Engineering, College of Engineering, Northern Border University, P.O. Box 1321, Arar, Saudi Arabia;1. Forensic Toxicology and Chemistry Unit, University Centre of Legal Medicine Lausanne-Geneva, Chemin de la Vulliette 4, 1000 Lausanne, Switzerland;2. College of Health and Life Sciences, Department of Environmental Sciences, Brunel University London, Kingston Lane, Uxbridge, Middlesex UB8 3PH, United Kingdom
Abstract:The excess molar enthalpies of (acetonitrile  +  butan-2-one) and (methanol  +  acetonitrile  +  butan-2-one) were measured atT =  298.15 K and atmospheric pressure using a flow microcalorimeter. The experimental results are correlated with polynomial equations and compared with those calculated from associated solution models taking account into self-association of methanol and acetonitrile as well as solvation between unlike molecules and a non-polar interaction term.
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