Density and Viscosity of Aqueous Mixtures of N-Methyldiethanolamines (MDEA) and Ionic Liquids Yusoff, R.; Aroua, M.K.; Shamiri, A.; Ahmady, A.; Jusoh, N.S.; Asmuni, N.F.; Bong, L.C.; Thee, S.H.; Journal of Chemical & Engineering Data 2013, 58, 240-247