Vitrification Temperature of Water

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Science  19 Apr 1968:
Vol. 160, Issue 3825, pp. 298-299
DOI: 10.1126/science.160.3825.298


The vitrification temperature (Tg) of water is an elusive quantity because of the great difficulty in supercooling water sufficiently without initiating its crystallization. Water depresses the vitrification temperature of glycerol (184°K) monotonously, and this property has been used for derivation of an estimate of its Tg. The result, 127° ± 4°K (-146° ± 4°C), is the temperature below which water presumably exists as a brittle, glassy substance.

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