Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution

Figure 4

FT-IR spectra of the insoluble Eucalyptus fraction after treatment with different basic ionic liquids ((a) untreated; (b) [Mmim][DMP]; (c) [C5mim][Ac]; (d) [Bmim][Ac]; (e) [Emim][Ac]; (f) [Bmim][OH]).