SEARCH Articles Figures Tables 1 -Butyl-3-methylimidazolium 1 -butyl-3-methylimidazolium tetrafluoroborate [BMIm 1- Butyl-3-methylimidazolium tetrafluoroborate ionic liquid[bmim BMIM L-Butyl-3-methylimidazolium hexafluorophosphate ([bmim L-butyl-3-methylimidazolium [BMIM L-n-butyl-3-methylimidazolium [BMIM Methylimidazolium