High-temperature and high-pressure density measurements and other derived thermodynamic properties of 1-butyl-3-methylimidazolium tris (pentafluoroethyl) trifluorophosphate Safarov, J.; Lesch, F.; Suleymanli, K.; Aliyev, A.; Shahverdiyev, A.; Hassel, E.; Abdulagatov, I.; Thermochimica Acta 2017, 658, 14-23