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Drift in Energy Calibration of Energy Dispersive X-ray Fluorescence Analyzers and Its Correction

Published online by Cambridge University Press:  06 March 2019

Zhaogui Liu
Zhaogui Liu*
Affiliation:
Dept. of Engineering Physics Tsinghua University Beijing 100084, P. R. China
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Abstract

It is to be expected that drift will occur in the energy calibration of Energy Dispersive X-Ray Fluorescence Analysis (EDXRFA) spectrometers. The error thus caused in the measured x-ray intensity is evaluated in this paper. In order to minimize the error, two steps are necessary. The first is to make a new energy calibration to follow the trend of the drift. The second step involves moving the regions of the characteristic peaks to accommodate the drift. Software has been developed to accomplish both steps automatically.

Type
V. XRF Instrumentation and Techniques
Information
Advances in X-Ray Analysis , Volume 34: Thirty-Ninth Annual Conference on Applications of X-ray Analysis, July 30 - August 3, 1990 , 1990 , pp. 169 - 176
Copyright
Copyright © International Centre for Diffraction Data 1990

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References

1. KEVEX Corporation, San Carlos, California, “KEVEX Micro-X7000 Analytical Spectrometer Instruction Manual”, 1982.Google Scholar
2. Liu, Zhaogui, “Software Design for EDXRFA”, Doctoral Thesis, Tsinghua University, Beijing, PRC.Google Scholar