ABSTRACT

The shape of the liquid-liquid phase boundary of the C6F14 - C6H14 system near the critical solution point has been determined by a gamma-ray attenuation technique. According to the measurements, the critical solution temperature and composition are 295.69+/-0.02 K and 36.1+/-0.3 mol% C6F14, respectively. The critical exponent of the liquid-liquid coexistence curve is 0.322+/-0.008. Midpoints of the coexistence curve exhibit a departure from the law of the rectilinear diameter.

Compounds

#	Formula	Name
1	C6H14	hexane
2	C6F14	perfluorohexane

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	1 2	Molar volume, m3/mol ; Liquid mixture 1	Mole fraction - 2; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	gamma-ray attenuation technique	10
POMD	1 2	Molar volume, m3/mol ; Liquid mixture 2	Mole fraction - 2; Liquid mixture 2	Pressure, kPa; Liquid mixture 2	Liquid mixture 2 Liquid mixture 1	gamma-ray attenuation technique	10
POMD	1 2	Mole fraction - 2 ; Liquid mixture 1	Temperature, K; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	gamma-ray attenuation technique	10
POMD	1 2	Mole fraction - 2 ; Liquid mixture 2	Temperature, K; Liquid mixture 2	Pressure, kPa; Liquid mixture 2	Liquid mixture 2 Liquid mixture 1	gamma-ray attenuation technique	10

Thermodynamics Research Center / ThermoML | International Journal of Thermophysics

Liquid-Liquid Coexistence Curve of n-Perfluorohexane - n-Hexane System

Khairulin, R. A., Stankus, S. V., Gruzdev, V. A.

ABSTRACT