Evaluation of high purity graphite sample containers for use with rapid instrumental epithermal neutron activation analysis |
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| Authors: | F Chisela D Gawlik P Brätter |
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| Institution: | (1) Trace Element in Biomedicine Research Group, Hahn-Meitner-Institute GmbH, Glienicker-str. 100, D-1000 Berlin 39;(2) department of Physics, University of Zambia at Lusaka, Lusaka |
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| Abstract: | The suitability of graphite of spectral quality as a sample container in short irradiations for neutron activation analysis has been investigated. The material is found to be a viable alternative to polyethylene containers especially in high flux irradiation positions where the properties of the latter deteriorate as a result of high neutron and gamma dose rates. Examples of application are demonstrated in epithermal neutron irradiations of biological materials and the accuracy and precision of the determinations were assessed. |
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