Abstract
IRRADIATION of pellets of sodium cyanamide at room temperature with ultra-violet from a high-pressure mercury lamp, or with 2-MeV electrons, results in the formation of a number of absorption bands. The results are shown in Figs. 1 and 2. Looking at Fig. 1, the bands occur at 4250 Å (band A) and 5000 Å (band B). In addition there is a broad region of absorption around 6500 Å (band C) and the possibility of a weak band at 3200 Å (band D). These bands bleach on heating, and with A and B light.
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References
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Adams, K. M. (unpublished work, Cambridge).
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SOLE, M., YOFFE, A. Colour Centres in Sodium Cyanamide. Nature 200, 1088–1089 (1963). https://doi.org/10.1038/2001088a0
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DOI: https://doi.org/10.1038/2001088a0
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