Excess enthalpies of the reactive system ethanol + acetic acid + ethyl acetate + water for chemically equilibrium states at 313.15 K

  • Alexandra Golikova
  • Nikita Tsvetov
  • Yuri Anufrikov
  • Maria Toikka
  • Irina Zvereva
  • Alexander Toikka
Article
  • 6 Downloads

Abstract

The data on excess molar enthalpies, \( H_{\text{m}}^{\text{E}} \), for binary mixtures (ethanol + water and acetic acid + ethyl acetate) and quaternary system (acetic acid + ethanol + ethyl acetate + water) at 313.15 K and standard pressure (101.303 kPa) were obtained using the Setaram C80 calorimeter. The results on excess enthalpies data were correlated by Redlich–Kister equations and NRTL model.

Keywords

Heat of mixing Calorimetry Multicomponent reaction Quaternary system Ethyl acetate Thermochemistry 

Notes

Acknowledgements

This study was supported by Russian Foundation for Basic Research: A. Golikova, N. Tsvetov and A. Toikka are grateful for the Grant RFBR 15-03-02131. Alexandra Golikova acknowledges for the Scholarships of President of Russian Federation (SP-2680.2018.1). Maria Toikka is also grateful for the Scholarships of President of Russian Federation (SP-2140.2016.1). The investigations were carried out using the equipment of the Resource Centre of Thermogravimetric and Calorimetric Research and Centre for Diagnostics of Functional Materials for Medicine, Pharmacology and Nanoelectronics (Research Park of St. Petersburg State University).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Department of Chemical Thermodynamics and KineticsSt. Petersburg State UniversitySaint PetersburgRussia

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