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Determination of Impurity Activities in Fission-Product Generator Eluate

University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma

Correspondence: For reprints contact: David W. Anderson, Radiological Sciences, University of Oklahoma Health Sciences Center, P.O. Box 26901, Oklahoma City, Okla. 73190.

ABSTRACT

Impurity activities in the eluate from fission-product technetium generators have been studied by taking pulse-height spectra with a Ge(Li) spectrometer. The impurities ⁹⁹Mo, ¹³¹I, ¹³²I, and ¹³³I have been found in the eluate with activities in the microcurie and submicrocurie range. The measured contaminant activities per millicurie of ^99mTc were variable but within safe limits except in a special circumstance when the ¹³¹I activity was excessively large.