Neutron activation analysisDefinition (http://en.wikipedia.org/wiki/Neutron_activation_analysis) In chemistry, neutron activation analysis (NAA) is a nuclear process used for determining the concentrations of elements in a vast amount of materials. NAA allows discrete sampling of elements as it disregards the chemical form of a sample, and focuses solely on its nucleus. The method is based on neutron activation and therefore requires a source of neutrons. (Wikipedia) Preferred Units: N/A Scope Note: N/A This term is used for the following terms: NAA
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