Abstract
THE recent analysis of the band spectrum of nitrogen in the Schumann region by Profs. R. T. Birge and J. J. Hopfield (Astro. Jour., 68, p. 274; 1928) throws a flood of light on the identity of active nitrogen. It has been shown that the bands in the Schumann region have nothing in common with the bands in the visible and the ultra-violet. The presence of a strong metastable level in the N2-molecule has thus been established, and is in accord with the electronic level scheme of R. S. Mulliken (Phys. Rev., 32, p. 216; 1928).
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KICHLU, P., BASU, S. Active Nitrogen. Nature 123, 715–716 (1929). https://doi.org/10.1038/123715c0
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DOI: https://doi.org/10.1038/123715c0
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