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Spectrum of Aluminum Vapor Distilled by a Tungsten Coil in Vacuum
Phys. Rev. 48, 136 – Published 15 July, 1935
DOI: https://doi.org/10.1103/PhysRev.48.136
Abstract
If a tungsten coil, charged with aluminum, is brought to incandescence in a vacuum of the order of mm Hg, it evaporates a cloud of metal, which has been observed to emit a violet-blue light. The luminosity has been analyzed and found to be mainly a line spectrum containing Al I, Al II, W and impurity lines. The excitation is produced by collisions with the electrons emitted by the incandescent filament and accelerated by the potential drop across it. behaves as an Al arc and not as an Al II line, as commonly listed.
References (3)
Omitted endnote
- John Strong, Publ. A. S. P. 46, 18 (1934)
- M. Bögemann, Dissert. Münster 1917 J. Barnes, Astrophys. J. 34, 159 (1911) J. H. Pollock, Proc. Roy. Soc. Dublin 13, 202 (1912)