Abstract
IT has been a matter of general experience that photochemical reactions are not much altered in their courses by change of light intensity. The range of light intensity hitherto available, however, has been limited by that obtainable from the sun and from such sources as high-pressure mercury vapour lamps, the total usable output of which in the region between 2,000 and 5,000 A. does not exceed 1020 quanta/second. There are many cases, particularly those photochemical reactions where free radicals are involved, where it would be desirable to extend investigations to much higher intensities into the region where the concentration of intermediates is comparable with that of the reactants.
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NORRISH, R., PORTER, G. Chemical Reactions Produced by Very High Light Intensities. Nature 164, 658 (1949). https://doi.org/10.1038/164658a0
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DOI: https://doi.org/10.1038/164658a0
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