Density, speed of sound, viscosity, surface tension, and excess volume of N -ethyl-2-pyrrolidone + ethanolamine (or diethanolamine or triethanolamine) from T = (293.15 to 323.15) K

1. Blanco, A.
2. García-Abuín, A.
3. Gómez-Díaz, D.
4. Navaza, J.M.
5. Villaverde, O.L.