Investigation of volumetric properties of binary mixtures of benzylamine with ۲-propanol, ۱-butanol and ۲-butanol at different temperatures

سال انتشار: 1391
محل انتشار: پانزدهمین سمینار شیمی فیزیک ایران
کد COI اختصاصی: ISPTC15_0534
زبان مقاله: انگلیسی
تعداد مشاهده: 129

نویسندگان

Department of Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran

چکیده

Hydrogen-bonded systems are very interesting because they play a vital role in chemical, physical, and biological processes. It is well-known that alcohols are highly associated through hydrogen bonds, and this association decreases with the increase in molar mass of alkanols.The mixtures of amine with alcohol are interesting for a number of scienti¿c reasons, mostly connected to the formulation and testing of models to predict the properties of associating Àuids, since the binary systems are composed of associating liquids. Both the primary amines and alcohols serve as are proton donors and proton acceptors, it is expected that there will be a significant degree of H-bonding, leading to self association in pure state. The aim of present work is to provide new experimental data on densities of the binary mixtures of benzylamine with ۲-propanol, ۱-butanol and ۲-butanol at different temperatures. The excess molar volumes, VEm, the excess thermal expansion coefficients, ߙ , isothermal coefficient of excess molar enthalpy (...) , were calculated from the experimental values of densities. These data were correlated with the Redlich- Kister equation.[۱-۳]

کلیدواژه ها

Benzylamine, Excess molar volume, Binary mixture, Redlich- Kister, alkanol

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