Advances in Neutron Activation Analysis

Abstract
A. Aims of the Review The 50th anniversary of the description of neutron activation analysis (NAA) by Hevesy and Levi1 was celebrated at the Seventh Modern Trends in Activation Analysis Conference (MTAA-7) held in Copenhagen, Denmark, in June 1986. NAA is now considered to be a mature field. The principles are well understood, and no dramatic improvements in either instrumentation or methodology that would revolutionize the method are expected. This is in contrast to other analytical techniques where significant advances and changes in instrumentation and scope of applications are seen within a relatively short time. However, the field of NAA remains vigorous as researchers continue to develop innovative applications of NAA using existing facilities, link NAA with the developing technologies in separation science to form a unique and powerful new group of “hyphenated techniques”, refine sample handling and data processing procedures, and continually strive to improve the quality of the data generated by activation analysis procedures. An excellent brief review of developments that were presented at MTAA-7 has been provided by Heydorn.2

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