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Neutron activation analysis research paper

Download full-text here. Neutron activation analysis NAA is a powerful quantitative analytical technique with applications in a range of fields including archaeology. Due to its outstanding sensitivity, accuracy, precision, and versatility the technique is a suitable method for analysing many different types of archaeological material. Archaeologists have utilised neutron activation analysis for the purpose of characterising archaeological materials such as ceramics, lithics and glass with the goal of determining their provenance. This paper provides a brief introduction to the technique and its history in archaeological investigation and provides examples of how NAA has been used for addressing archaeological questions. Alden, J.
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1.9: Neutron Activation Analysis (NAA)

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Neutron Activation Analysis - Analytical Chemistry Group

Neutron activation analysis NAA is a non-destructive analytical method commonly used to determine the identities and concentrations of elements within a variety of materials. Unlike many other analytical techniques, NAA is based on nuclear rather than electronic transitions. In NAA, samples are subjected to neutron radiation i. The excited isotope undergoes nuclear decay and loses energy by emitting a series of particles that can include neutrons, protons, alpha particles, beta particles, and high-energy gamma ray photons. Each element on the periodic table has a unique emission and decay path that allows the identity and concentration of the element to be determined. Almost eighty years ago in , George de Hevesy and Hilde Levi published the first paper on the process of neutron activation analysis. Using a Geiger counter to count the beta particles emitted, Hevesy and Levi were able to identify the rare earth elements by half-life.
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It is a mobile source of neutron activity 20 Ci , yielding a small thermal neutron flux that is water moderated. The aim of this study is to develop a model to increase the neutron thermal flux of a source such as Am-Be. This study achieved multiple advantageous results: primarily, it will help us perform neutron activation analysis. Next, it will give us the opportunity to produce radio-elements with short half-lives. Am-Be single and multisource 5 sources experiments were performed within an irradiation facility with a paraffin moderator.
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Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Win Published Chemistry A description of the general principles of Neutron Activation Analysis NAA is followed by a discussion of advantages, limitations, and applications.
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