Neutron activation analysis of archaeological artifacts using the conventional relative method: A realistic approach for analysis of large samples

Patricia S. Bedregal, Pablo A. Mendoza, Isaac M. Cohen, Oscar Baltuano, Eduardo H Montoya Rossi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A new approach for analysis of entire potsherds of archaeological interest by INAA, using the conventional relative method, is described. The analytical method proposed involves, primarily, the preparation of replicates of the original archaeological pottery, with well known chemical composition (standard), destined to be irradiated simultaneously, in a well thermalized external neutron beam of the RP-10 reactor, with the original object (sample). The basic advantage of this proposal is to avoid the need of performing complicated effect corrections when dealing with large samples, due to neutron self shielding, neutron self-thermalization and gamma ray attenuation. In addition, and in contrast with the other methods, the main advantages are the possibility of evaluating the uncertainty of the results and, fundamentally, validating the overall methodology.

Original languageEnglish
Pages (from-to)37-42
Number of pages6
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume291
Issue number1
DOIs
StatePublished - Jan 2012
Externally publishedYes

Bibliographical note

Funding Information:
Acknowledgments The authors wish to thank the International Atomic Energy Agency (IAEA) for the acceptance of the research project (CRP project 15524), which made it possible the implementation of the method.

Keywords

  • Archaeological pottery
  • Instrumental neutron activation analysis
  • Large samples

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