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Science 12 September 1975:
Vol. 189. no. 4206, pp. 880 - 881
DOI: 10.1126/science.189.4206.880
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Articles

Supercooling of Water to -92°C Under Pressure

H. Kanno 1, R. J. Speedy 1, and C. A. Angell 1

1 Department of Chemistry, Purdue University, Lafayette, Indiana 47907

The temperature at which "clean" supercooled water freezes has been determined as a function of pressure up to 3 kilobars, using a differential thermal analysis technique on subdivided water samples. The supercooling limit of such samples, -38°C at normal pressure, is lowered by initial increase of pressure, reaching a minimum value of -92°C at 2.00 kilobars.


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