ABSTRACT

The liquid liquid coexistence curve for nitrobenzene + n-nonane has been measured in a wide temperature range. The values of the critical exponent ss obtained from the liquid liquid equilibrium data in the critical region were found to be in good agreement with that of the 3D Ising universality. The monotonous crossover behavior from Ising criticality to mean-field one was observed. The isobaric heat capacities per unit volume were measured, with which the asymmetric behavior of the diameter of the coexistence curve was well-described by the complete scaling theory. Moreover, the turbidity data near the critical point were obtained to deduce the critical amplitudes of the correlation length and the osmotic compressibility, which together with the amplitudes related to the coexistence curve and the heat capacity were used to calculate the universal scaling ratios and to confirm their theoretical predictions.

Compounds

#	Formula	Name
1	C6H5NO2	nitrobenzene
2	C9H20	nonane

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	Refractive index (other wavelength) ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Wavelength, nm; Liquid	Liquid	Standard Abbe refractometry	16
POMD	2	Refractive index (other wavelength) ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Wavelength, nm; Liquid	Liquid	Standard Abbe refractometry	8
POMD	1 2	Refractive index (other wavelength) ; Liquid	Mole fraction - 1; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid Wavelength, nm; Liquid	Liquid	Standard Abbe refractometry	11
POMD	1 2	Refractive index (other wavelength) ; Liquid mixture 1	Temperature, K; Liquid mixture 1	Pressure, kPa; Liquid mixture 1 Wavelength, nm; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	Standard Abbe refractometry	32
POMD	1 2	Refractive index (other wavelength) ; Liquid mixture 2	Temperature, K; Liquid mixture 2	Pressure, kPa; Liquid mixture 2 Wavelength, nm; Liquid mixture 2	Liquid mixture 2 Liquid mixture 1	Standard Abbe refractometry	32
POMD	1 2	Mole fraction - 1 ; Liquid mixture 1	Temperature, K; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	Index of refraction calibration data	32
POMD	1 2	Mole fraction - 1 ; Liquid mixture 2	Temperature, K; Liquid mixture 2	Pressure, kPa; Liquid mixture 2	Liquid mixture 2 Liquid mixture 1	Index of refraction calibration data	32

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Liquid Liquid Phase Equilibria and Critical Phenomena of the Binary Mixture Nitrobenzene + n-Nonane

Yin, T.[Tianxiang], Shi, A.[Aiqin], Xie, J.[Jingjing], Wang, M.[Mingjie], Chen, Z.[Zhiyun], An, X.[Xueqin], Shen, W.[Weiguo]

ABSTRACT