Abstract

A 35 MeV linear electron accelerator is used to investigate how far photon activation analysis can be used within the broad spectrum of analytical methods applied in BAM. The irradiation facilities are described. Examples are given for the application of PAA in the analysis of oxygen in metals and compared with conventional heat extraction and other nuclear analytical methods. It is further shown that PAA is a very useful tool for the analysis of traces of noble metals in Cu compared with other methods. Finally the possibilities of PAA in the field of multielement analysis are demonstrated taking ancient roman potsherds and bronze as examples. The results are compared with those of XRF and AAS. It is concluded that PAA is a valuable tool in the analysis of light elements with at least partly unique possibilities, that it can serve as an independent method for the certification of Reference Materials in many cases and that PAA can be very useful applied for multielement analysis.

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