Physicochemical properties of choline chloride-based deep eutectic solvents and excess properties of their pseudo-binary mixtures with 1-butanol Gajardo-Parra, N.F.; Lubben, M.J.; Winnert, J.M.; Leiva, Ã.; Brennecke, J.F.; Canales, R.I.; The Journal of Chemical Thermodynamics 2019, 133, 272-284