Vapor-Liquid Equilibrium for Binary System of Diethyl Sulfide + n-Hexane at (338.15 and 323.15) K and Diethyl Sulfide + 1-Hexene at (333.15 and 323.15) K Sapei, E.; Zaytseva, A.; Uusi-Kyyny, P.; Keskinen, K.I.; Aittamaa, J.; Journal of Chemical & Engineering Data 2007, 52, 571-576