Abstract
IT is well known that fluorescence bands sometimes undergo changes in position and intensity with the change of state and temperature of the substance, and also they sometimes show some structure at low temperatures. Organic substances which do not exhibit any fluorescence at room temperature but show intense fluorescence bands at low temperatures are, however, very rare.
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Fluorescence of Dipropyl Ketone at Low Temperatures. Nature 156, 333–334 (1945). https://doi.org/10.1038/156333b0
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DOI: https://doi.org/10.1038/156333b0
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