Abstract
A NEW absorption band has been observed, with a Hilger E1 glass spectrograph, on the shorter wavelength side of the second member of the rubidium principal series, in the presence of neon, helium, hydrogen or nitrogen. The position of the band depends on the nature of the foreign gas admitted into the absorption tube, which was kept at around 250° C. A pressure of a few centimetres of mercury of the foreign gas was sufficient to make the band appear distinctly. Fig. 1 is a sample spectrum taken when neon gas was present in the absorption tube of rubidium vapour, and Fig. 2 the corresponding microphotometer curve.
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References
Ny Tsi-Zé et Choong Shin-Piaw, J. Phys. et le Rad., 6, 203 (1935).
T. Okuda, NATURE, 138, 168 (1936).
O. Oldenberg, Z. Phys., 47, 184 (1928); 51, 605 (1928); 55, 1 (1929).
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TSI-ZÉ., N., SHANG-YI, C. Continuous Absorption Band of Rubidium in the Presence of Foreign Gases. Nature 138, 1055 (1936). https://doi.org/10.1038/1381055a0
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DOI: https://doi.org/10.1038/1381055a0
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