Abstract
DR. F. C. FRANK, in a recent note1, has directed attention to the work of Rau2 who, by a process of repeated freezing and thawing which 'sterilized' the nuclei of solidification, succeeded in super-cooling water to - 72° C, at which temperature it invariably froze. The water was in the form of droplets (up to a few millimetres in diameter) supported on a highly polished surface of chromium or nickel. The system being enclosed, so that the cooled metal plate was its coldest part, it is certain that the vapour in contact with its surface was saturated.
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References
Frank, F. C., Nature, 157, 267 (1946).
Rau, W., Schrift. deut. Akad. Luftfahrtforsch., 8, (ii), 65 (1944).
Bangham, D. H., and Razouk, R. I., Trans. Faraday Soc, 33, 1459 (1937).
Bangham, D. H., Fakhoury, N., and Mohamed, A. F., Proc Roy. Soc, A, 147, 152 (1934) ; 147, 175 (1934).
Bangham, D. H., and Saweris, Z., Trans. Faraday Soc, 34, 554 (1938).
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BANGHAM, D. Saturated Adsorbed Films and the Structure of Deeply Super-cooled Water. Nature 157, 733 (1946). https://doi.org/10.1038/157733b0
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DOI: https://doi.org/10.1038/157733b0
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