Isotopic Analysis: Cerium-141 and Cerium-144
- 1 December 1958
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 4 (6) , 709-712
- https://doi.org/10.13182/nse58-a15493
Abstract
Cerium-141 and cerium-144 are determined in the presence of each other by performing a suitable cerium chemical separation and then measuring the radiation from each nuclide. Cerium-144 is determined by counting the 3.0-Mev Pr144 beta ray; cerium-141 is determined by integrating beneath the 145-kev gamma-ray peak observed with a sodium iodide gamma-ray spectrometer. In the later case correction for contributions from cerium-144 must be made. The gamma/beta branchings for the 145-kev gamma ray in cerium-141 and the 134-kev gamma ray in cerium-144 were determined.Keywords
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