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Systematic Computation of Scattering Corrections with the Code Shape

Published online by Cambridge University Press:  06 March 2019

J.E. Fernandez  and
V.G. Molinari
J.E. Fernandez
Affiliation:
Laboratorio di Ingegneria Nucleare di Montecuccolino, University of Bologna, Via dei Colli 16, 40136 Bologna, Italy
V.G. Molinari
Affiliation:
Laboratorio di Ingegneria Nucleare di Montecuccolino, University of Bologna, Via dei Colli 16, 40136 Bologna, Italy
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Abstract

The recently developed code SHAPE allows the build-up of EDXRF spectra for collimated and monochromatic excitation. In this work the code is applied to investigate the Importance of the scattering corrections to the more intense XRF characteristic lines from low and medium Z elements. Results are given graphically for pure elements from Z=11 (Na) to Z=42 (Mo). Heavier element lines from a multi-component geological sample, where light matrix amplifies the influence of scattering, are studied.

Type
X. Mathematical Methods in X-Ray Spectrometry (XRS)
Information
Advances in X-Ray Analysis , Volume 35 , Issue B: First Pacific-International Congress on X-ray Analytical Methods (PICXAM). Fortieth Annual Conference on Applications of X-ray Analysis, August 7-16, 1991 , 1991 , pp. 757 - 766
Copyright
Copyright © International Centre for Diffraction Data 1991

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References

1. Fernandez, J. E., Molinari, V. G. and Sumini, M., Corrections for the effect of scattering on XRF intensity, in: “Advances in X-Ray Analysis,” Vol 33, C.S. Barrett et al. eds., Plenum Press, New York (1990).Google Scholar
2. Fernandez, J. E., Rayleigh and Compton scattering contributions to the XRF intensity, X-Ray Spectrom. (1991), to be published.Google Scholar
3. Fernandez, J. E. and Sumini, M., SHAPE; a computer simulation of energy dispersive; X-Ray spectra, X-Ray Spectrom. (1991), to be published,Google Scholar
4. Fernandez, J. E. and Molinari, V. G., X-Ray photon spectroscopy calculations, rn; “Advances in Nuclear Science and Technology,” Vol 22, H. Becker and J. Lewins, eds., Plenum Press, New York (1991).Google Scholar