Abstract
AFTER many earlier unsuccessful attempts, I have now obtained the mass-spectrum of tungsten. As in the cases of the lighter members of the same group, chromium and molybdenum, success was made possible by the preparation of the volatile carbonyl, W(CO)6, by Dr. A. v. Grosse, of Berlin. It was to be expected from the greater atomic weight that the photographic effect would be feeble, and only by means of very sensitive plates were lines of satisfactory intensity obtained.
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ASTON, F. Constitution of Tungsten. Nature 126, 913 (1930). https://doi.org/10.1038/126913a0
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DOI: https://doi.org/10.1038/126913a0
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