Cubic ice can be formed directly in the water phase of vitrified aqueous solutions.
This study addresses the possibility that ice-Ic may form spontaneously and directly during the cooling of previously freeze-concentrated aqueous solutions, at temperatures where the residual unfrozen water is likely to exist in small, isolated domains. It is shown that on cooling a dilute aqueous glucose solution, ice-Ih crystallises initially, but when the solution has been freeze-concentrated to ca.10 mol %, further cooling results in the slow nucleation and growth of ice-Ic in the residual water domains, rather than on the pre-existing ice-Ih crystal surfaces.
Kajiwara
Kazuhito
K
School of Bionics, Tokyo University of Technology, 1404-1 Katakura, Hachioji, Tokyo, Japan.
Thanatuksom
Pariya
P
Murase
Norio
N
Franks
Felix
F
D003460:Crystallization; D005615:Freezing; D005947:Glucose; D007053:Ice; D012996:Solutions
D007053:Ice; D012996:Solutions; D005947:Glucose