Thermodynamics of the Ternary Mixture Propan‐1‐ol + Triethylamine + n‐Heptane. Experimental Results and ERAS‐Model Calculations of HE and VE
作者： M. Bender , J. Hauser , A. Heintz
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摘要: Molar excess enthalpies (HE) and molar volumes (VE) of the liquid mixture Propan-1-ol (PrOH) + Triethylamine (TEA) n-Heptane have been measured by flow calorimetry vibrating tube technique respectively. Data three binary systems also obtained. The properties are dominated strong hydrogen bondings due to self-association PrOH association with TEA. third component, heptane, serves mainly as an inert diluting solvent. HE VE positive for heptane TEA a much smaller extent. Strongly negative values both obtained ternary system lie in between these extreme cases showing certain compositions where vanish.—An extended version so-called ERAS model has used describing complete system. parameters adjusted data reveal that bonding distinctly stronger than self-associating molecules. In addition widely applied NRTL-model systems. VE, however, can not be calculated NRTL model.
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