Table 1: Ionic liquids used in this study.

Chemical Name Abbreviation Structure Water Content / ppm Source
1-Butyl-3-methylimidazolium thiocyanate [C4mim][SCN]


70 IoLiTec
1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C4mim][NTf2]


60 Solchemar
1-Butyl-3-methylimidazolium dicyanamide [C4mim][DCA]


75 IoLiTec
1-Butyl-3-methylimidazolium hexafluorophosphate [C4mim][PF6]


90 Solchemar
1-Butyl-3-methylimidazolium hydrogensulfate [C4mim][HSO4]


125 Sigma-Aldrich
1-Decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C10mim][NTf2]


80 Solchemar
Methyltrioctylammonium bis(trifluoromethylsulfonyl)imide [ALIQUAT][NTf2]


100 IoLiTec
Methyltrioctylammonium chloride [ALIQUAT][Cl]


95 Sigma-Aldrich