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The Comparison of Three Excitation Modes in the Energy Dispersive X-Ray Fluorescence Analysis

Published online by Cambridge University Press:  06 March 2019

Birgit Kanngieβer ,
Burkhard Bockboff ,
Jens Scheer  and
Walter Swoboda
Birgit Kanngieβer
Affiliation:
University of Bremen, Dept. of Physics Bremen, Germany
Burkhard Bockboff
Affiliation:
University of Bremen, Dept. of Physics Bremen, Germany
Jens Scheer
Affiliation:
University of Bremen, Dept. of Physics Bremen, Germany
Walter Swoboda
Affiliation:
University of Bremen, Dept. of Physics Bremen, Germany
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Abstract

With a new irradiation chamber a comparison of three excitation modes under same conditions and with the same material has been done. The results of this comparison are presented in the following manner: - Barltla scattering (graphite) versus Bragg reflection (HOPS) - Bragg reflection (Mo) versus secondary target fluorescence (Mo) - secondary target fluorescence (Sn) versus Barkla scattering (graphite) Excitation spectra and detection sensitivities of a NBS standard will be discussed for the different modes. The Barkla scattering was found to be the best excitation mode for a wide elemental range.

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References

1. Swoboda, W., Kanngießer, B., Beckhoff, B., Begemann, K., Keuhaus, H., and Scheer, C., “A New Device for Energy Dispersive X-Ray Fluorescence (EDXRF),” accepted in Rev.Sci.InstrumGoogle Scholar
2. Ryon, R. W., “Polarized Radiation Produced by Scatter for Energy Dispersive X-Ray Fluorescence Trace Analysis,” Advances in X-Rav Analysis 22:575–590 (1979).Google Scholar