(Vapour + liquid) equilibria for the binary mixtures (1-propanol + dibromomethane,or + bromochloromethane,or + 1,2-dichloroethane or + 1-bromo-2-chloroethane) at T = 313.15 K |
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| Affiliation: | 1. Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan;2. Department of Soft Nanomaterials, Nanoscience and Nanotechnology Center, The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan;3. Fundamental Technology Group, Chemical R & D Center, Daikin Industries, Ltd, 1-1 Nishi Hitotsuya, Settsu, Osaka 566-8585, Japan;1. Department of Pharmaceutical Chemistry, Adarsh College of Pharmacy, Bhavani Nagar, Kundal Road, Vita 443201, Maharashtra, India;2. School of Pharmacy, Swami Ramanand Teerth Marathwada University, Vishnupuri, Nanded 431 606, Maharashtra, India;1. Department of Opto-electronics and Information Engineering, School of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China;2. Key Laboratory of Optoelectronic Information Technology (Ministry of Education), Tianjin University, Tianjin 300072, China;3. Department of Mechanical Engineering and Materials, Tianjin Sino-German Vocational Technical College, No. 2 Yanshan Road, Haihe Education Park, Tianjin 300350, China;4. Department of Electronic Engineering and State Key Laboratory of Millimeter Waves, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China |
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| Abstract: | Isothermal (vapour + liquid) equilibria (VLE) at 313.15 K have been measured for liquid 1-propanol + dibromomethane, or + bromochloromethane or + 1,2-dichloroethane or + 1-bromo-2-chloroethane mixtures.The VLE data were reduced using the Redlich–Kister equation taking into consideration the vapour phase imperfection in terms of the 2nd molar virial coefficients. The excess molar Gibbs free energies of all the studied mixtures are positive and ranging from 794 J · mol−1 for (1-propanol + bromochloromethane) and 1052 J · mol−1 for (1-propanol + 1-bromo-2-chloroethane), at x = 0.5. The experimental results are compared with modified UNIFAC predictions. |
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