SEARCH Articles Figures Tables 1 - Alkyl-3-methylimidazolium tetrafluoroborates 1 -alkyl-3 -methylimidazolium tetrafluoroborate 1 -butyl-3-methylimidazolium tetrafluoroborate [BMIm 1- Butyl-3-methylimidazolium tetrafluoroborate 1- Butyl-3-methylimidazolium tetrafluoroborate ionic liquid[bmim 1- Hexyl-3-methylimidazolium tetrafluoroborate 1- ethyl-3-methylimidazolium tetrafluoroborate Ionic liquid , l-Butyl-3-methylimidazolium tetrafluoroborate L-Ethyl-3-methylimidazolium tetrafluoroborate L-butyl-3-methylimidazolium tetrafluoroborate Methylimidazolium