Isobaric vapour-liquid equilibria and physical properties for isopropyl acetate + isopropanol + 1-butyl-3-methyl-imidazolium bis(trifluoromethylsulfonyl)imide mixtures Andreatta, A.E.; Francisco, M.; Rodil, E.; Soto, A.; Arce, A.; Fluid Phase Equilibria 2011, 300, 162-171