Abstract

Homogeneous ice nucleation temperatures (TH) of aqueous solutions of methanol, ethylene glycol, glycerol, xylitol, poly(ethylene glycol)s, glucose, and fructose were measured as a function of solute concentration. It is shown that the additivity rule holds fairly well for the TH values of the solutions of the same chemical family. Contrary to the conclusion by Koop et al. (ref 11), TH depends strongly on the nature of a solute. It is confirmed that there is a linear relation between TH and melting temperature (Tm) of the solution (solute: methanol, ethylene glycol or glycerol) up to high solute concentrations.

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