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  • 1 University of Liège Department of Geology, Petrology and Geochemistry, B20 B-4000 Sart Tilman, Liège 1 Belgium
  • 2 University of Liège Department of Experimental Nuclear Physics B15 B-4000 Sart Tilman, Liège 1 Belgium
  • 3 Research Associate of the National Fund for Scientific Research (Belgium)
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Abstract  

The different important stages of the development of proton induced X-ray emission (PIXE) spectrometry utilised with success since 1976 at Liège University are outlined. The methodological efforts (irradiation, target preparation, calibration, matrix effect corrections) to improve quantitative trace element analysis are emphasized. Examples of applications in geological, biomedical and environmental sciences are selected in order to illustrate the potential of the technique in these fields.