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X-Ray Fluorescence Spectrometry and Related Techniques by Rene Van Grieken Grieken, Eva Margui

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Chapter 5

Wavelength/Energy Dispersive X-Ray Fluorescence Spectrometry (Wdxrf/Edxrf)

5.1 INTRODUCTION AND BASIC PRINCIPLES

Usually, XRF spectrometers may be categorized into two main types depending on the fundamentals of their detection system: wavelength dispersive systems (WDXRF) and energy dispersive systems (EDXRF). To understand the basic principles of each configuration it is important to recall the origins of commercial XRF spectrometers by referring back to the middle of the previous century.

The first modern commercial X-ray spectrometer was developed by Friedman and Birks in 1948. This device was a variation of a diffractometer for chemical analysis and it was composed of a W-target X-ray tube, a single crystal ((200)NaCl or (220)CaF ...

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