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Rapid Photon-Excited Energy-Dispersive X-Ray Fluorescence Analysis for Solid and Liquid Mineralogical Samples

Published online by Cambridge University Press:  06 March 2019

W. Ratyński ,
J. Parus ,
J. Tys  and
A. Ciszek
W. Ratyński
Affiliation:
Institute of Nuclear Research Swierk, 05-400 Otwock, Poland
J. Parus
Affiliation:
Institute of Nuclear Research Swierk, 05-400 Otwock, Poland
J. Tys
Affiliation:
Institute of Nuclear Research Swierk, 05-400 Otwock, Poland
A. Ciszek
Affiliation:
Institute of Nuclear Research Swierk, 05-400 Otwock, Poland
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Abstract

X-ray fluorescence spectroscopy is new becoming a tool in research and. industry. Semiconductor detectors are proving valuable in measuring fluorescent X rays, and so are providing a versatile tool for rapid multielement analysis of many types of samples. This paper will mainly be concerned with, different types of copper ore. An experimental setup has been designed to determine Cu, Fe and Pb of concentration ranging from 0.1 to 20, to 5, and to 4 percent, respectively, with analytical precision of 20% relative at 0.1% Cu, and 3% relative at 20% Cu. For excitation a 100 mCi Pu-238 source and/or a low power air-cooled X-ray tube were used. Data acquisition and “on-line” evaluation for each sample takes about 100 seconds. Electronics blocks and sub-systems used In the set-up are available commercially. The most important benefit to be obtained from the setup is the ability to provide precise, reproducible determinations of large numbers of samples day after day.

Type
X-Ray Fluorescence Phenomena and Application
Information
Advances in X-Ray Analysis , Volume 19: Twenty-Fourth Annual Conference on Applications of X-ray Analysis, August 6-8, 1975 , 1975 , pp. 267 - 272
Copyright
Copyright © International Centre for Diffraction Data 1975

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References

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