Reference : Quantitative Evaluation of Imputities in Ionic Liquids

	Document type :	Scientific congresses and symposiums : Poster
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Chemistry
	To cite this reference:	http://hdl.handle.net/2268/78469

Title :	Quantitative Evaluation of Imputities in Ionic Liquids
Language :	English
Author, co-author :	Robert, Thierry [Université de Liège - ULg > Département de chimie (sciences) > Chimie analytique et électrochimie >]
	Olivier-Bourbigou, Hélène [Institut Français du Pétrol - IFP > > > >]
	Gilbert, Bernard [Université de Liège - ULg > Département de chimie (sciences) > Département de chimie (sciences) >]
Publication date :	Mar-2010
Peer reviewed :	No
Audience :	International
Event name :	Echem 2010 Conference on Molten Salts and Ionic Liquids
Event date :	March 14-19, 2010
Event organizer :	Peter Wasserscheid
Event place (city) :	Bamberg
Event country :	Germany
Keywords :	[en] ionic liquids ; impurities
Abstract :	[en] Since several years, our laboratory is studying the acidity in ionic liquids and showed that very acidic levels can be reached in these media when a strong acid is added. These acidity levels were determined using Hammett acidity1 (spectroscopic method) and Strehlow acidity2 (potentiometric method) measurements. Considering the attainable acidity levels, it turns out that the purity of these ionic solvents is very critical because all impurities (i.e methylimidazole, water, acetone, chloride …) can act as (strong) bases. Therefore, it is imperative to quantify these impurities to obtain reproducible results.
Funders :	Institut Français du Pétrol - IFP
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/78469

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