(IMAGE) University of Liège Caption Protonation equilibrium within the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate Credit Univerisity of Liège/A.Rensonnet Usage Restrictions No commercial use License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.