Phase equilibrium properties of binary mixtures containing 1,3-pentanediamine (or 1,5-diamino-2-methylpentane) and water at several temperatures |
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| Institution: | 1. LATA2M, Laboratoire de Thermodynamique Appliquée et Modélisation Moléculaire, University of Tlemcen, Post Office Box 119, Tlemcen 13000, Algeria;2. Laboratoire Multimatériaux et Interfaces, UMR 5615, Université de Lyon, Université Claude Bernard Lyon1, 69622 Villeurbanne, France;3. Université de Saint Etienne, Jean Monnet, F-42023 Saint Etienne – Université de Lyon, F-42023 Saint Etienne, France;1. Facultad de Química, Departamento de Química Orgánica, Universidad Nacional Autónoma de México, 04510 México, D.F., Mexico;2. Departamento de Química y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, 04510 México, D.F., Mexico;3. Departamento de Química, Centro de Investigación y de Estudios Avanzados del IPN, Apdo. Postal 14-740, 07000 México, D.F., Mexico;1. Screening-Labor Hannover, Postbox 91 10 09, 30430 Hannover, Germany;2. Department of Clinical Chemistry, Hannover Medical School, Carl-Neuberg-Straße 1, 30625 Hannover, Germany;1. Thermodynamics Research Unit, School of Engineering, University of KwaZulu-Natal, Howard College Campus, King George V Avenue, 4041 Durban, South Africa;2. LATA2M, Laboratoire de Thermodynamique Appliquée et Modélisation Moléculaire, University of Tlemcen, Post Office Box 119, Tlemcen 13000, Algeria;1. Department of Medical Oncology, Bhaktapur Cancer Hospital/National Academy of Medical Sciences, Kathmandu, Nepal;2. Department of Radiation Oncology, Bhaktapur Cancer Hospital, Bhaktapur, Nepal;3. Department of Cardiothoracic and Vascular Surgery, Manmohan Cardiothoracic Vascular and Transplant Center, Kathmandu, Nepal;4. Chest Unit, Department of Medicine, National Academy of Medical Sciences, Bir Hospital, Kathmandu, Nepal;5. Department of Medicine, BP Koirala Institute of Health Sciences, Dharan, Nepal;6. Department of Medical Oncology, National Hospital and Cancer Research Center, Jawalakhel, Lalitpur, Nepal;7. Department of Cardiothoracic Surgery, Nepal Cancer Hospital, Lalitpur, Nepal;8. Department of Medical Oncology, The University of Kansas Medical Center, Kansas City, Kansas;9. Research Section, Nepal Health Research Council, Kathmandu, Nepal;10. Department of Pulmonary, Allergy, Critical Care and Sleep Medicine, Emory University School of Medicine, Atlanta, Georgia;11. Department of Medical Oncology, Karmanos Cancer Institute, Detroit, Michigan;1. Centro de Investigação em Química, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Rua do Campo Alegre, 687, P-4169-007 Porto, Portugal;2. Instituto de Ciências Biomédicas Abel Salazar, ICBAS, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal |
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| Abstract: | The vapor pressures of (1,3-pentanediamine + water), or (1,5-diamino-2-methylpentane + water) binary mixtures, and of pure 1,3-pentanediamine or 1,5-diamino-2-methylpentane components were measured by means of a static device at temperatures between (273 and 363) K. The data were correlated with the Antoine equation. From these data excess Gibbs functions (GE) were calculated for several constant temperatures and fitted to a three order Redlich–Kister equation using the Barker’s method. The (1,3-pentanediamine + water) or (1,5-diamino-2-methylpentane + water) binary systems exhibit negative deviations in GE for all investigated temperatures over the whole composition. Additionally, the NRTL UNIQUAC and Modified UNIFAC (Do) models have been used for the correlation or prediction of the total pressure. |
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| Keywords: | Diamines Water NRTL UNIQUAC Modified UNIFAC (Do) |
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