Abstract

The first part of this paper describes some of the novel features of the Bartol Research Institute's PIXE facility that have made it such an effective analytical tool for the study of a diversity of ancient materials. The gains of selective filtering of the X-ray spectrum (to enhance detection limits for minor and trace elements), and of a “microbeam” mode of operation of the facility, are illustrated by two practical applications: (i) a new look at the nature of colorants used in late 2nd millennium Egyptian glassmaking, and (ii) a study of Panamanian gold artifacts finished by the “depletion gilding” process.

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