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Elimination of Sodium-24 and Potassium-42 Interferences in Activation Analysis of Biological Samples
Chung-Wai Tang and Constantine J. Maletskos
New Series, Vol. 167, No. 3914 (Jan. 2, 1970), pp. 52-54
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1728181
Page Count: 3
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We have developed a simple novel column technique for the removal of sodium-24 and potassium-42 based on a heterogeneous isotopic exchange reaction between an organic eluting solution (acetone-hydrochloric acid) and fine crystals of sodium chloride or potassium chloride or their analogs. The technique is fast, efficient, and highly selective; it has been successfully applied to irradiated human tissues prior to gamma-ray spectrometry with lithium-drifted germanium detectors.
Science © 1970 American Association for the Advancement of Science