EPJ Web of Conferences
Volume 100, 2015Theoretical and Experimental Studies in Nuclear Applications and Technology (TESNAT 2015)
|Number of page(s)||3|
|Published online||09 July 2015|
Neutron activation analysis of certified samples by the absolute method
Faculté de physique, USTHB BP 32 El-Alia BEZ Alger Algeria
a Corresponding author: email@example.com
Published online: 9 July 2015
The nuclear reactions analysis technique is mainly based on the relative method or the use of activation cross sections. In order to validate nuclear data for the calculated cross section evaluated from systematic studies, we used the neutron activation analysis technique (NAA) to determine the various constituent concentrations of certified samples for animal blood, milk and hay. In this analysis, the absolute method is used. The neutron activation technique involves irradiating the sample and subsequently performing a measurement of the activity of the sample. The fundamental equation of the activation connects several physical parameters including the cross section that is essential for the quantitative determination of the different elements composing the sample without resorting to the use of standard sample. Called the absolute method, it allows a measurement as accurate as the relative method. The results obtained by the absolute method showed that the values are as precise as the relative method requiring the use of standard sample for each element to be quantified.
© Owned by the authors, published by EDP Sciences, 2015
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