Abstract
IN the issue of NATURE for Mar. 2, 1929, Dr. Aston gives the results of his determination of the mass-spectrum of a sample of lead in the form of its tetramethyl compound, of which the lead had been extracted by us from a sample of Norwegian bröggerite. We obtained the lead in the form of chloride, and took particular care to have it free from impurities. The conversion of the chloride into tetramethyl was kindly carried out for us by Mr. S. C. Witherspoon, and care was taken to test all chemicals and reagents used to see that they were free from lead.
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FENNER, C., PIGGOT, C. The Mass-Spectrum of Lead from Bröggerite. Nature 123, 793–794 (1929). https://doi.org/10.1038/123793a0
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DOI: https://doi.org/10.1038/123793a0