Abstract
THE fluorescence spectrum of anisole in the vapour state has been developed following the technique of Bass and Sponer1. The vapour was contained in a cell fitted with quartz windows and the fluorescence was excited by the radiation from condensed spark between manganese electrodes. The spark was produced by a high-voltage transformer rated 1/4 kW. at 15,000 V. with a condenser of capacity 0.05 µF., placed in the circuit parallel to the spark gap. The spectrum of the fluorescent radiation was photographed on Hilger medium quartz spectrograph kept at right angles to the incident unfiltered beam. For a satisfactory record of the spectrum on II–0 plate, with slit width 35µ, an exposure of 110 hr. was needed.
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References
Bass, Arnold M., and Sponer, H., Opt. Soc. Amer., 40, 389 (1950).
Sreeramamurty, K., Indian J. Phys., 24, 421 (1950).
Kohlrausch, K. W. F., and Pongratz, A., Monat. Chem., 65, 6 (1934).
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PRAKASH, S. Fluorescence Spectrum of Anisole Vapour. Nature 193, 268 (1962). https://doi.org/10.1038/193268a0
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DOI: https://doi.org/10.1038/193268a0
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