A mass-spectrographic study of the isoto
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Alfred O. Nier
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Article
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1995
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John Wiley and Sons
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English
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## Abstract A mass spectrograph is described with which a study of the isotopic constitution of argon, potassium, rubidium, zinc and cadmium has been made. A calculation is carried out which indicates that the radioactivity of potassium and rubidium can best be explained by assuming that it is K^40