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Phys Med Biol. 1997 Feb;42(2):407-13.

The 40K activity of one gram of potassium.

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1
Department of Medical Physics, University Hospital Birmingham NHS Trust, Queen Elizabeth Hospital, UK.

Abstract

The activity of 40K in natural potassium as derived from the recent literature varies between 27.33 to 31.31 Bq g-1 of potassium. This paper reports measurements by gamma-ray spectrometry and compares these with independent calculations, yielding values of 30.18 +/- 0.72 Bq g-1 and 31.00 +/- 0.33 Bq g-1 respectively.

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PMID:
9044422
[Indexed for MEDLINE]

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