The influence of an additional filter in epithermal neutron activation analysis

G. Skarnemark, M. Skålberg, R. Tokay, Pekka Hölttä, Rolf Rosenberg

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Abstract

Additional filters of tungsten and sodium in different thicknesses have been used in the epithermal neutron activation analysis of geological samples to reduce the interferences caused by resonance neutron capture in these two elements. The results show that a selective reduction of the interfering activities in favor of the activities sought can be obtained. Improvements in terms of detection sensitivity and precision in the γ-spectrometric determinations of Sc, Fe, Co, La, Sm, Eu, Gd, Tb, Yb, Lu, Th and W have been calculated.

The possible applications of the filtered epithermal neutron activation analysis (FENA) method to different kinds of samples are also briefly discussed.

Original languageEnglish
Pages (from-to)37-40
JournalInternational journal of radiation applications and instrumentation. Part A, Applied radiation and isotopes
Volume40
Issue number1
DOIs
Publication statusPublished - 1989
MoE publication typeA1 Journal article-refereed

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