Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/76201
Title: Mutual Solubility of Pyridinium-Based Tetrafluoroborates and Toluene
Authors: Dreiseitlova, Jana
Rehak, Karel
Vreekamp, Remko Hendrikus 
UNESCO Clasification: 2307 Química física
Keywords: Salts
Hydrocarbons
Solvents
Solubility
Issue Date: 2010
Journal: Journal of Chemical & Engineering Data 
Abstract: Mutual solubilities of pyridinium-based tetrafluoroborates (namely, 1-butylpyridinium tetrafluoroborate, 1-butyl-2-methylpyridinium tetrafluoroborate, 1-butyl-4-methylpyridinium tetrafluoroborate, and 1-hexyl-pyridinium tetrafluoroborate) and toluene were obtained at (298.15, 318.15, and 338.15) K. The data were acquired by means of an experimental procedure utilizing gas chromatography and a gravimetric method. The results show that the liquid liquid equilibrium in the studied systems is strongly asymmetrical. While the mole fraction solubility of the pyridinium-based ionic liquids in toluene ranges from 1.0.10(-5) to 5.2.10(-5), the solubility of toluene in these ionic liquids varies from 0.318 to 0.579 in mole fraction. The experimental data were correlated with a semiempirical equation. Parameters of the nonrandom two-liquid (NRTL) equation were evaluated as well.
URI: http://hdl.handle.net/10553/76201
ISSN: 0021-9568
DOI: 10.1021/je901065e
Source: Journal of Chemical and Engineering Data [ISSN 0021-9568], v. 55 (9), p. 3051-3054, (Septiembre 2010)
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