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Excess molar heat capacity for the binary system n-propyl alcohol + water in the temperature range 278.15–358.15 K: new data and application for excess enthalpy calculation

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Abstract

In this work, the new set of the data on the excess heat capacity (CEP ), density (ρ) and excess volumes (VE) for binary system n-propanol + water in the temperature range 278.15–358.15 K are presented. The concentration dependence of CEP was correlated using Redlich–Kister equation. Obtained experimental data of CEP were used to calculate excess enthalpies at various temperatures.

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Acknowledgements

Maria Toikka, Nikita Tsvetov and Anna Sadaeva acknowledge Russian Foundation for Basic Research (Grant 18-33-20138) for the support of the study of thermochemical and excess volume properties of biofuel compounds. The investigations were carried out using the equipment of the Resource Center 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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Authors and Affiliations

  1. Department of Chemical Thermodynamics and Kinetics, Saint Petersburg State University, Universitetskiy prospect 26, Peterhof, St. Petersburg, Russia, 198504

    Nikita Tsvetov, Anna Sadaeva, Maria Toikka, Irina Zvereva & Alexander Toikka

  2. Apatity Branch of Murmansk Arctic State University, Lesnaya str., 29, Apatity, Murmansk oblast, Russia, 184209

    Nikita Tsvetov

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  1. Nikita Tsvetov
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  2. Anna Sadaeva
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  3. Maria Toikka
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  4. Irina Zvereva
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  5. Alexander Toikka
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Contributions

Nikita Tsvetov carried out the experiments on heat capacity and thermodynamic calculations. Maria Toikka and Anna Sadaeva measured the densities, calculated excess volume and analyzed obtained thermal and volumetric data. Alexander Toikka and Irina Zvereva took part in the general discussion of the results and analysis of the data. All authors contributed to the preparation of the text of the paper.

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Correspondence to Nikita Tsvetov.

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Tsvetov, N., Sadaeva, A., Toikka, M. et al. Excess molar heat capacity for the binary system n-propyl alcohol + water in the temperature range 278.15–358.15 K: new data and application for excess enthalpy calculation. J Therm Anal Calorim 142, 1977–1987 (2020). https://doi.org/10.1007/s10973-020-09605-y

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  • DOI: https://doi.org/10.1007/s10973-020-09605-y

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