Determination of impurity content in gold foils
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The content of impurities in gold foils intended for neutron flux measurements has been determined. The gold foils were irradiated by a high neutron flux and the activities of the activated impurities were measured after a cooling period of 48 days by a HPGe spectrometer. The activated impurities were Zn and Ag, and their content was determined from the measured activities ratio of the isotopes Zn-65 and Ag-110m to Au-198. The activated isotopes have longer half-lives than Au-198 and they could be measured after the cooling period. (C) 2004 Elsevier Ltd. All rights reserved.
Кључне речи:activation detector / gold foil / activation analysis
Извор:Radiation Measurements, 2005, 39, 4, 417-420
ISSN: 1350-4487 (print)