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  • Author or Editor: H. Wilczura x
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The molar excess enthalpies of binary mixtures of pyridine with C6–C9 n-alkanes have been measured at 313.15 K in the entire composition range. The measuredH E values were compared with those calculated by means of the Prigogine-Flory-Patterson theory and by the ERAS method.

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Excess heat of mixing of pyridine bases with toluene

Experimental results and theoretical description

Journal of Thermal Analysis and Calorimetry
Authors: H. Wilczura, T. Kasprzycka-Guttman, and A. Myslinski

Abstract  

The excess heats of mixing of pyridine bases with toluene at 298.15 K were measured, and the Prigogine-Flory-Patterson theory was applied to describe the experimental results.

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Abstract  

The experimental data of excess enthalpies for β-carotene/n-alkane+n-alkane/AOT/water systems at 298.15 K are reported. The H E dependence on AOT (sodium bis(2-ethylhexyl) sulfosuccinate) concentration and hydrocarbon chain length was investigated. The excess enthalpy was measured using the flow microcalorimeter UNIPAN type 600.

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Excess heat of mixing of α-picoline withn-alkanes

Comparison with the Prigogine-Flory-Patterson theory and the extended real associated solution method

Journal of Thermal Analysis and Calorimetry
Authors: T. Kasprzycka-Guttman, H. Wilczura, and A. Myslinski
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The molar excess enthalpies measured for binary mixtures of 2-, 3-, 4-picoline +n-alkane (C6H14-C10H22) at 298.15 K have been compared with the Prigogine-Flory-Patterson theory and the Extended Real Associated Solution model estimations.

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The intermolecular interactions in binaries

Pyridine base + hydrocarbon, on the base of experimental enthalpy of mixing data

Journal of Thermal Analysis and Calorimetry
Authors: H. Wilczura, T. Kasprzycka-Guttman, M. Jarosz-Jarszewska, and A. Myslinski

Abstract  

The recapitulation of systematical investigations of excess enthalpy of mixing in binary mixtures: pyridine base +n-alkane or some of arenes is presented. On the base of experimental results as well as model calculations (PFP, ERAS) the discussion of intermolecular interactions in pyridine bases is given.

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