ABSTRACT

Isobaric (vapour + liquid) equilibrium (VLE) data for {2-propanol (1) + water (2) + ammonium thiocyanate (3)} were obtained at 101.3 kPa experimentally. An all-glass Fischer Labodest type still capable of handling pressures from (0.25 to 400) kPa and temperatures up to 523.15 K was used. (Vapour + liquid) equilibrium data of (2-propanol + water) were also obtained at 101.3 kPa experimentally. An equation is proposed to fit the data of salt-containing systems using dimensionless groups called relative ratio. The proposed model was also tested for the salt-containing systems given from the literature.

Compounds

#	Formula	Name
1	C3H8O	propan-2-ol
2	H2O	water
3	CH4N2S	ammonium isothiocyanate

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	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	2	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	1 2	Boiling temperature at pressure P, K ; Liquid	Mole fraction - 1; Liquid	Pressure, kPa; Gas	Liquid Gas	Ebulliometric method (Recirculating still)	17
POMD	1 2	Mole fraction - 1 ; Gas	Mole fraction - 1; Liquid	Pressure, kPa; Gas	Gas Liquid	Chromatography	17
POMD	3 2	Boiling temperature at pressure P, K ; Liquid	Molality, mol/kg - 3; Liquid	Pressure, kPa; Liquid	Liquid Gas	Fischer-Labodest type still	3
POMD	1 3	Boiling temperature at pressure P, K ; Liquid	Molality, mol/kg - 3; Liquid	Pressure, kPa; Liquid	Liquid Gas	Fischer-Labodest type still	3
POMD	1 3 2	Boiling temperature at pressure P, K ; Liquid	Molality, mol/kg - 3; Liquid Solvent: Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid Gas	Fischer-Labodest type still	39
POMD	1 3 2	Mole fraction - 1 ; Gas	Molality, mol/kg - 3; Liquid Solvent: Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Gas Liquid	Chromatography	39

Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Isobaric (vapour + liquid) equilibrium for (2-propanol + water + ammonium thiocyanate): Fitting the data by an empirical equation

Sevgili, L.[Lutfullah], Senol, A.[Aynur]

ABSTRACT