Open AccessIsochoric heat capacity and PVT properties of n-heptane – water binary azeotropic system
Author(s) -
N. V. Ibavov,
V. A. Mirskaya,
D. A. Nazarevich
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1385/1/012060
Subject(s) - isochoric process , heat capacity , thermodynamics , heptane , calorimeter (particle physics) , adiabatic process , piezometer , chemistry , polar , materials science , geology , groundwater , physics , geotechnical engineering , astronomy , detector , aquifer , electrical engineering , engineering
The isochoric heat capacity and the pressure of n-heptane – water binary layering system were measured using the high-temperature adiabatic calorimeter-piezometer method. Characteristic properties of a change in the temperature dependences of the heat capacity and the pressure along the isochores were revealed in a region of phase transitions. These features allow for fixing the azeotropy state in the system and for estimation of the influence a polar component (water) on a change in the azeptrope state temperature.