Vapor pressure and enthalpy of vaporization of linear aliphatic alkanediamines |
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| Institution: | 1. Department of Physical Chemistry, University of Rostock, Dr-Lorenz-Weg 1, D-18059 Rostock, Germany;2. Faculty of Interdisciplinary Research, Department “Science and Technology of Life, Light and Matter”, University of Rostock, Rostock, Germany;1. Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, 108840, Moscow, Russia;2. Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia;1. Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz 51664, Iran;2. Kimia Idea Pardaz Azarbayjan (KIPA) Science Based Company, Tabriz University of Medical Sciences, Tabriz 51664, Iran;3. Grupo de Investigaciones Farmacéutico-Fisicoquímicas, Departamento de Farmacia, Facultad de Ciencias, Universidad Nacional de Colombia –Sede Bogotá, Cra. 30 No. 45-03, Bogotá D.C., Colombia;4. Department of Chemistry, University of North Texas, Denton, TX 76203-5070, USA;1. Department of Chemistry, Isfahan University of Technology, 84156-83111 Isfahan, Iran;2. Department of Chemistry, Sharif University of Technology, Tehran, Iran;1. Transilvania University of Brasov, The Centre Renewable Energy System and Recycling, 50 Iuliu Maniu Street, 500036, Brasov, Romania;2. Delft University of Technology, Process and Energy Department, Laboratory for Engineering Thermodynamics, Leeghwaterstraat 39, 2628CB, Delft, The Netherlands;3. Department of Inorganic Chemistry, Physical Chemistry, and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061, Bucharest, Romania;1. Thermodynamics Research Laboratory, School of Chemical Engineering, Iran University of Science and Technology, Tehran, 16846-13114, Iran;2. Chemical Engineering Department, Shiraz University of Technology, Shiraz, 71557-13876, Iran |
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| Abstract: | Vapor pressures and the molar enthalpies of vaporization of the linear aliphatic alkanediamines H2N–(CH2)n–NH2 with n = (3 to 12) have been determined using the transpiration method. A linear correlation of enthalpies of vaporization (at T = 298.15 K) of the alkanediamines with the number n and with the Kovat’s indices has been found, proving the internal consistency of the measured data. |
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