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Neutron activation analysis (NAA) is a highly sensitive and accurate method of assaying bulk materials for trace levels of many elements. This article provides a detailed account on several types of NAA, namely, nondestructive and radiochemical thermal neutron activation, delayed neutron counting, epithermal and 14-MeV fast neutron activation, and prompt gamma activation analysis. It also includes application examples, explaining where and how each method is used and the types of elements on which they are effective.

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M.E. Bunker, M.M. Minor, S.R. Garcia, Neutron Activation Analysis, Materials Characterization, Vol 10, Edited By Ruth E. Whan, ASM International, 1986, p 233–242,

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