About: Determination of mutual solubilities of ionic liquids and water

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Two simple and universal methods for determination of solubility of ionic liquids in water are introduced in this work. The first one, which utilises negligible vapour pressure of ionic liquids, is based on controlled evaporation of water from a sample of saturated aqueous mixture. The second one utilises the ionic character of ionic liquids and its principle consists in measurements of electrical conductivity for series of aqueous mixtures. The methods were used for determination of aqueous solubility of five ionic liquids. Namely 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, 1-butyl-1-methylpyrrolidinium bis(trifluoromethyl-sulfonyl)imide, 1-hexyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide and ethyl-dimethyl-propylammonium bis(trifluoromethylsulfonyl)imide. The aqueous solubility data were completed by the measurement of solubility of water in the studied ionic liquids so that full-valued data on liquid-liquid equilibrium in the temperature range from 288 to 343 K are reported in the article. The obtained experimental data were correlated by the NRTL equation with temperature dependent parameters. Two simple and universal methods for determination of solubility of ionic liquids in water are introduced in this work. The first one, which utilises negligible vapour pressure of ionic liquids, is based on controlled evaporation of water from a sample of saturated aqueous mixture. The second one utilises the ionic character of ionic liquids and its principle consists in measurements of electrical conductivity for series of aqueous mixtures. The methods were used for determination of aqueous solubility of five ionic liquids. Namely 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, 1-butyl-1-methylpyrrolidinium bis(trifluoromethyl-sulfonyl)imide, 1-hexyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide and ethyl-dimethyl-propylammonium bis(trifluoromethylsulfonyl)imide. The aqueous solubility data were completed by the measurement of solubility of water in the studied ionic liquids so that full-valued data on liquid-liquid equilibrium in the temperature range from 288 to 343 K are reported in the article. The obtained experimental data were correlated by the NRTL equation with temperature dependent parameters. (en)
Title	Determination of mutual solubilities of ionic liquids and water Determination of mutual solubilities of ionic liquids and water (en)
skos:prefLabel	Determination of mutual solubilities of ionic liquids and water Determination of mutual solubilities of ionic liquids and water (en)
skos:notation	RIV/60461373:22340/12:43893984!RIV13-MSM-22340___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6046137307)
http://linked.open...iv/cisloPeriodika	0
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Řehák, Karel Morávek, Pavel Strejc, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	130616
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/12:43893984
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	water; ionic liquid; solubility; liquid + liquid phase equilibrium (en)
http://linked.open.../riv/klicoveSlovo	ionic liquid liquid + liquid phase equilibrium water solubility
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[190B9FFCFF54]
http://linked.open...i/riv/nazevZdroje	Fluid Phase Equilibria
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	316
http://linked.open...iv/tvurceVysledku	Řehák, Karel Morávek, Pavel Strejc, Martin
http://linked.open...ain/vavai/riv/wos	000301276600004
http://linked.open...n/vavai/riv/zamer	Physico-chemical methods of analysis and characterization of chemical systems and biosystems
issn	0378-3812
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.fluid.2011.12.008
http://localhost/t...ganizacniJednotka	22340

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