ABSTRACT

Binodal curves of the aqueous N-ethylpyridinium tetrafluoroborate ([EPy]BF4) + Trisodium citrate (Na3C6H5O7), [EPy]BF4 + Ammonium citrate tribasic ((NH4)3C6H5O7), [EPy]BF4 + Sodium succinate (Na2C4H4O4) and [EPy]BF4 + Sodium tartrate (Na2C4H4O6) systems have been determined experimentally at T=298.15K. The Merchuk equation and two other equations were used to correlate the binodal data. The effective excluded volume (EEV) values obtained from the binodal model for these four systems were determined. Futhermore, the Othmer-Tobias, Bancroft, two-parameter and Setschenow-type equations were used for the correlation of the tie-line data. The results show that good agreement was obtained with the experimental data with two-parameter and Setschenow-type equotions.

Compounds

#	Formula	Name
1	C7H10BF4N	1-ethylpyridinium tetrafluoroborate
2	C6H5Na3O7	trisodium citrate
3	C6H17N3O7	ammonium 2-hydroxypropane-1,2,3-tricarboxylate
4	C4H4Na2O6	disodium L-tartrate
5	C4H4Na2O4	disodium succinate
6	H2O	water

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	2 1 6	Mass fraction - 2 ; Liquid mixture 1	Mass fraction - 1; Liquid mixture 1	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	Titration method	118
POMD	2 1 6	Mass fraction - 2 ; Liquid mixture 1 Mass fraction - 1 ; Liquid mixture 2 Mass fraction - 2 ; Liquid mixture 2	Mass fraction - 1; Liquid mixture 1	Temperature, K; Liquid mixture 2 Pressure, kPa; Liquid mixture 2	Liquid mixture 1 Liquid mixture 2	Titration method Titration method Titration method	4
POMD	1 3 6	Mass fraction - 3 ; Liquid mixture 1	Mass fraction - 1; Liquid mixture 1	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	Titration method	40
POMD	1 3 6	Mass fraction - 1 ; Liquid mixture 2 Mass fraction - 3 ; Liquid mixture 1 Mass fraction - 1 ; Liquid mixture 1	Mass fraction - 3; Liquid mixture 2	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 2 Liquid mixture 1	Titration method Titration method Titration method	3
POMD	1 4 6	Mass fraction - 4 ; Liquid mixture 1	Mass fraction - 1; Liquid mixture 1	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	Titration method	63
POMD	1 4 6	Mass fraction - 4 ; Liquid mixture 2 Mass fraction - 4 ; Liquid mixture 1 Mass fraction - 1 ; Liquid mixture 1	Mass fraction - 1; Liquid mixture 2	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 2 Liquid mixture 1	Titration method Titration method Titration method	3
POMD	5 1 6	Mass fraction - 5 ; Liquid mixture 1	Mass fraction - 1; Liquid mixture 1	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	Titration method	44
POMD	5 1 6	Mass fraction - 5 ; Liquid mixture 2 Mass fraction - 5 ; Liquid mixture 1 Mass fraction - 1 ; Liquid mixture 1	Mass fraction - 1; Liquid mixture 2	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 2 Liquid mixture 1	Titration method Titration method Titration method	4

Thermodynamics Research Center / ThermoML | Thermochimica Acta

Liquid-Liquid Equilibria of Ionic Liquid N-ethylpyridinium tetrafluoroborate + Trisodium citrate/Ammonium citrate tribasic/Sodium succinate/Sodium tartrate Aqueous Two-Phase Systems at 298.15K

Li, Y.[Yuliang], Yang, L.[Liheng], Zhao, X.[Xuewei], Guan, W.[Weisheng]

ABSTRACT