The pVT Properties and Phase Equilibria
in the n-PentaneWater Binary System

S. M. Rasulov and A. R. Rasulov

Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences,
ul. 26 Bakinskikh komissarov 94, Makhachkala, 367003 Russia

e-mail: kamilov_i@iwt.ru

Received February 26, 2008

Abstract—The pVT properties of the 0.075 n-C₅H₁₂ + 0.925H₂O binary system were studied experimentally.
Thermal properties were measured along nine different isochores over the density and temperature ranges 87–
698 kg/m³ and 303–684 K at pressures up to 60 MPa. Measurements were performed using a constant-volume
piezometer. Inflection and break points of the p(T) dependences were used to construct phase equilibrium
curves, which were described by scaling equations.

DOI: 10.1134/S0036024409050136

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