Density, Speed of Sound, Refractive Index, and Viscosity of 1-Amino-2-Propanol {or Bis(2-hydroxypropyl)amine} + Triethanolamine + Water from T = (288.15 to 333.15) K Gómez-Díaz, D.; La Rubia, M.D.; López, A.B.; Navaza, J.M.; Pacheco, R.; Sánchez, S.; Journal of Chemical & Engineering Data 2012, 57, 1104-1111