Poster (Scientific congresses and symposiums)
Quantitative Evaluation of Imputities in Ionic Liquids
Robert, Thierry; Olivier-Bourbigou, Hélène; Gilbert, Bernard
2010Echem 2010 Conference on Molten Salts and Ionic Liquids
 

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Keywords :
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.
Disciplines :
Chemistry
Author, co-author :
Robert, Thierry ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique et électrochimie
Olivier-Bourbigou, Hélène;  Institut Français du Pétrol - IFP
Gilbert, Bernard ;  Université de Liège - ULiège > Département de chimie (sciences) > Département de chimie (sciences)
Language :
English
Title :
Quantitative Evaluation of Imputities in Ionic Liquids
Publication date :
March 2010
Event name :
Echem 2010 Conference on Molten Salts and Ionic Liquids
Event organizer :
Peter Wasserscheid
Event place :
Bamberg, Germany
Event date :
March 14-19, 2010
Audience :
International
Funders :
IFP - Institut Français du Pétrole [FR]
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since 02 December 2010

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