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Evaluating Indirectly the X-Ray Tube Spectra on the Basis of the Fundamental Parameter Method in Wavelength-Dispersive X-Ray Spectrometry

Published online by Cambridge University Press:  06 March 2019

I. Szalóki  and
B. Magyar
I. Szalóki
Affiliation:
Lajos Kossuth University, Institute of Experimental Physics Debrecen, Bern tér 18/A, 4026 Hungary
B. Magyar
Affiliation:
Swiss Federal Institute of Technology Zurich, Laboratory of Inorganic Chemistry, Zurich, 8092 Switzerland
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Extract

Several calibration methods and empirical formulae have been developed so far for analyzing materials quantitatively in XRF spectrometry. Many of them require reference samples to determine the relationship between the characteristic intensities of the elements and their concentrations. In order to eliminate empirical and semiempirical procedures, the fundamental parameter method (FPM) has been developed, which is one of the most helpful evaluating tools in quantitative XRF analysis. Some interpretations of this approach have the advantage that no standard samples are needed. The simultaneous application of FPM and polychromatic excitation demand an exact mathematical description of the primary spectral distribution as well as the efficiency function of the detector system.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 37: Forty-Second Annual Conference on Applications of X-ray Analysis, August 2-6, 1993 , 1993 , pp. 689 - 696
Copyright
Copyright © International Centre for Diffraction Data 1993

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