Different methodologies in neutron activation to approach the full analysis of environmental and nutritional samples

M. C. Freitas, Z. Révay, L. Szentmiklósi, I. Dionísio, H. M. Dung, A. M.G. Pacheco

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Different methodologies of neutron activation analysis (NAA) are now available at the Technological and Nuclear Institute (Sacavém, Portugal), namely Compton suppression, epithermal activation, replicate and cyclic activation, and low energy photon measurement. Prompt gamma activation analysis (PGAA) will be implemented soon. Results by instrumental NAA and PGAA on environmental and nutritional samples are discussed herein, showing that PGAA - carried out at the Institute of Isotope Research (Budapest, Hungary) - brings about an effective input to assessing relevant elements. Sensitivity enhancement in NAA by Compton suppression is also illustrated. Through a judicious combination of methodologies, practically all elements of interest in pollution and nutrition terms can be determined.

Original languageEnglish
Pages (from-to)381-386
Number of pages6
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume278
Issue number2
DOIs
Publication statusPublished - Nov 1 2008

ASJC Scopus subject areas

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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