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Phase Equilibrium and Critical Properties of the System [xH2О + (1 – x)C7H16], x = 0.355

  • THERMOPHYSICAL PROPERTIES OF MATERIALS
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Abstract

An automated, experimental setup based on a high-temperature, adiabatic calorimeter-piezometer was used to study the temperature dependence of the isochoric-heat capacity of a double stratified system of n-heptane–water with a water content of x = 0.355 (mole fraction) in a density range of 149.9–399.8 kg/m3 at temperatures of 397.15–550.15 K. This includes the phase-transition regions and the critical region. The critical system parameters and the parameters of azeotrope formation are determined.

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Authors and Affiliations

  1. Amirkhanov Institute of Physics, Dagestan Federal Research Center (DFRC), Russian Academy of Sciences, Makhachkala, Russia

    V. A. Mirskaya, N. V. Ibavov & D. A. Nazarevich

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  1. V. A. Mirskaya
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  2. N. V. Ibavov
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  3. D. A. Nazarevich
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Correspondence to N. V. Ibavov.

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Mirskaya, V.A., Ibavov, N.V. & Nazarevich, D.A. Phase Equilibrium and Critical Properties of the System [xH2О + (1 – x)C7H16], x = 0.355. High Temp 59, 174–178 (2021). https://doi.org/10.1134/S0018151X21020085

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  • DOI: https://doi.org/10.1134/S0018151X21020085

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