Comments on “Volumetric Properties of Binary Mixtures of (Ethylene Glycol or Glycerol + Benzene or Cyclohexane or Hexane) at Varying Temperatures”

A polemic is given regarding the volumetric properties reported by Ramadevi and coworkers for binary systems containing either ethylene glycol or glycerol mixed with either hexane or cyclohexane or benzene. The six binary systems studied by the authors are not completely miscible, and separate into a polyhydroxy alcohol-rich liquid phase and an alkane-rich liquid phase.