Abstract
PREVIOUSLY published fluorescence spectra of chlorophyll a in dilute ethyl other solution show a major band with maximum at 668 mµ and a minor band with maximum at 723 mµ., at room temperature1,2; at 77° K in ether–isopentane–ethanol (EPA), chlorophyll also exhibits two emission bands, with maxima at about 684 and 735 mµ3.
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References
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However, weak emission bands at 885 and 925 mμ were reported by Singh, J., and Becker, R., J. Amer. Chem. Soc., 82, 2083 (1960), at 77° K, in EPA.
Franck, J., Proc. U.S. Nat. Acad. Sci., 44, 941 (1958).
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BRODY, S., BROYDE, S. A Low-temperature Emission Band from Dilute Solutions of Pure Chlorophyll a. Nature 199, 1097–1098 (1963). https://doi.org/10.1038/1991097a0
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DOI: https://doi.org/10.1038/1991097a0
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