“…o -Chlorotoluene ( o -CT; Fluka, mass fraction, 0.993; GC), tetrahydropyran (THP; Fluka, mass fraction, 0.995; GC), benzene (Fluka, mass fraction, 0.996; GC), toluene (Fluka, mass fraction, 0.995; GC), and o -xylene (Fluka, mass fraction, 0.997; GC) were purified by standard methods. − The source of chemicals, CAS Registry Number, molar weight, purification method, final purity, and analysis method for purity are collected in Table . The densities and speed of sound values of the purified liquids compared with the literature ,− data are reported in Table .…”