Self-Absorption Correction for Isotopes Emitting Weak Beta Rays

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Science  24 Mar 1961:
Vol. 133, Issue 3456, pp. 877-878
DOI: 10.1126/science.133.3456.877


The shape of the self-absorption correction curve of β-emitters is not universal but depends on the geometrical arrangement of the sample and counting device. This may explain why the correction factor defined by Hendler (1) is not always linearly related to the thickness of the sample.