THE general discussion on free radicals organised by the Faraday Society at Cambridge in September last has now been published in book form (see also NATURE, 132, 665, Oct. 28,1933). The subject was discussed under the general headings of free radicals of relatively long life and of short life from both the physical and chemical aspects. A number of distinguished foreigners were present so that the discussion was fully representative of present knowledge of the subject: it is published with commendable promptness. An increasing amount of attention is being given to the ionic theory of organic reactions; the discovery of free radicals of the triphenyl methyl type in 19-0 which can be prepared by ordinary chemical means gave the first impetus to the new conceptions; to-day Paneth has isolated methyl and ethyl radicles with a life of only about 0-006 sec. which yet makes it possible to use them in synthetic work; free radicles of short life are often postulated as intermediate products of chemical change.
Free Eadicals: a General Discussion held by the Faraday Society, September 1933.
Pp. iv + 248 + 7 plates. (London: Faraday Society, 1934.) 12s. 6d.
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Free Eadicals: a General Discussion held by the Faraday Society, September 1933. Nature 134, 85 (1934). https://doi.org/10.1038/134085d0