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Calcium Isotope with Mass 41 and the Radioactive Half-period of Potassium

Abstract

THE values given in a previous note1 for the radioactive half-period of the potassium isotope with mass 41, as derived from the abnormality in the atomic weight of calcium extracted from Rhiconich and Portsoy pegmatites, stand in need of correction.

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References

  1. NATURE, 131, 688, May 13, 1933.

  2. Geological Survey, Summary of Progress for 1919, pp. 43–4.

  3. Ann. Rep. Chem. Soc., 27, 310–11; 1930.

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KENDALL, J., SMITH, W. & TAIT, T. Calcium Isotope with Mass 41 and the Radioactive Half-period of Potassium. Nature 133, 613–614 (1934). https://doi.org/10.1038/133613c0

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  • DOI: https://doi.org/10.1038/133613c0

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