EPJ Web of Conferences
Volume 24, 2012Environmental Radioactivity 2010
|Number of page(s)||8|
|Section||New Analytical Technologies|
|Published online||04 April 2012|
Optimization of 90Sr/89Sr measurements
Department of Nuclear Engineering and Fluid Mechanics University of the Basque Country (UPV/EHU) Alameda de Urquijo s/n 48013 Bilbao, Spain
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One of the key points in the double measurement method for the measurement of both, 89Sr and 90Sr, by using a proportional counter is the choice of the times at which the measurements should be done. In this paper, the formulae to calculate the 89Sr and 90Sr detection limits in conditions of radioactive equilibrium between 90Y and 90Sr are derived, and an analysis of them as a function of the time between the two measurements is done. The choice for the time of the second measurement is going to depend on the desired quality of the results to be obtained.
© Owned by the authors, published by EDP Sciences - SIF 2012
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