Abstract
We have recently made a preliminary study of the visible spectrum of flames of hydrogen charged with silicon tetrachloride burning in air. In a Méker burner with restricted supply of air, grey-blue cones are developed, and spectrograms of these taken on a low-dispersion prism instrument show a number of bands, apparently degraded to the violet, in the range 4200–5700 A. The strongest head is at about 5240 A., and a tentative vibrational analysis gives ω″ ∼ 750, ω′ ∼ 1050 and νe ∼ 19,000 cm.-1.
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DOWNIE, A., BARROW, R. Silicon Flame Bands. Nature 160, 198 (1947). https://doi.org/10.1038/160198c0
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DOI: https://doi.org/10.1038/160198c0
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