Reference : Quantitative Evaluation of Imputities in Ionic Liquids
Scientific congresses and symposiums : Poster
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/78469
Quantitative Evaluation of Imputities in Ionic Liquids
English
Robert, Thierry mailto [Université de Liège - ULg > Département de chimie (sciences) > Chimie analytique et électrochimie >]
Olivier-Bourbigou, Hélène [Institut Français du Pétrol - IFP > > > >]
Gilbert, Bernard mailto [Université de Liège - ULg > Département de chimie (sciences) > Département de chimie (sciences) >]
Mar-2010
No
International
Echem 2010 Conference on Molten Salts and Ionic Liquids
March 14-19, 2010
Peter Wasserscheid
Bamberg
Germany
[en] ionic liquids ; impurities
[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.
Institut Français du Pétrol - IFP
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/78469

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