Liquid-liquid equilibria for the ternary systems {heptane + toluene + N-butylpyridinium tetrafluoroborate or V-hexylpyridinium tetrafluoroborate} at T = 313.2 K

1. García, J.
2. García, S.
3. Torrecilla, J.S.
4. Oliet, M.
5. Rodríguez, F.