The possibility to determine the age, i.e. the time since the last chemical separation, of 233U was studied using two fundamentally different measurement techniques: inductively coupled plasma mass spectrometry (ICP-MS) and gamma spectrometry. Moreover, the isotope ratio 232U/233U was measured using both alpha spectrometry and gamma spectrometry. For the two materials analysed all measurement results were in agreement, i.e. consistent within the combined uncertainties. One of the materials was also measured using gamma spectrometry under field conditions. This measurement was also in agreement with the other results on this material.
RAMEBÄCK Henrik;
NYGREN Ulrike;
LAGERKVIST P.;
VERBRUGGEN Andre;
SKARNEMARK G.;
WELLUM R.;
2008-04-21
ELSEVIER SCIENCE BV
JRC41479
0168-583X,
https://publications.jrc.ec.europa.eu/repository/handle/JRC41479,
10.1016/j.nimb.2008.01.008,
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