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Can Regression Equations be Optimized By Finagling X-Ray Intensities?

Published online by Cambridge University Press:  06 March 2019

M. Fatemi  and
L. S. Birks
M. Fatemi
Affiliation:
Naval Research Laboratory, Washington, D. C. 20375
L. S. Birks
Affiliation:
Naval Research Laboratory, Washington, D. C. 20375
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Abstract

The application of the null-determinant technique to eliminate the inconsistency of x-ray empirical equations is investigated. Experiments with a series of stainless steel standards show that, in general, calculated compositions obtained by the null-determinant technique agree more closely with chemical analysis than do those obtained by simple averaging. Since it is usually errors in measured intensities which lead to inconsistent estimates of concentrations, the advantages of the null-determinant technique in adjusting the intensities become evident.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 17: Twenty-Second Annual Conference on Applications of X-ray Analysis, August 22-24, 1973 , 1973 , pp. 302 - 308
Copyright
Copyright © International Centre for Diffraction Data 1973

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References

1. Fatemi, M and Birks, L. S., “On Obtaining Consistent Solutions of Empirical Equations in X-Ray Fluorescence,” Anal. Chem., 45, 1443–1447 (1973).Google Scholar