Abstract
THE introduction of a volume on photochemistry into this well-known series of monographs on physical subjects, gives us an indication of the rapid change which has occurred in the study of the chemical action of light by the introduction of the Stark-Einstein law of photochemical equivalence in the primary light process, and of the work of Franck on the interpretation of band spectra and their significance in indicating the process of molecular dissociation. This small volume is well and clearly written and is by no means uncritical. Attention is directed first to the primary light process, and the possible subsequent reactions which the photo-excited molecule may undergo are then discussed in some detail. A little more concerning chemi-luminescence and fluorescence might well have been included in these sections. The fourth chapter is devoted to a consideration of the still debatable problems connected with the dependence of the quantum yield on temperature and wave-length, and the volume concludes with a brief summary of the experimental methods adopted in photochemistry.
Photochemistry.
Dr. D. W. G. Style. (Methuen's Monographs on Physical Subjects.) Pp. vii + 96. (London: Methuen and Co., Ltd., 1930.) 2s. 6d. net.
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R., E. [Book Reviews]. Nature 127, 969 (1931). https://doi.org/10.1038/127969a0
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DOI: https://doi.org/10.1038/127969a0