EDXRF & XRT

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Energy dispersive X-ray fluorescence (EDXRF) is a routinely used analytical technique for the qualitative and quantitative determination of major and minor atomic elements in a wide variety of sample types. The heart of its versatility stems from the ability to provide rapid, non-destructive, multi-element analyses—from low parts-per-million (ppm) levels to high weight percent (wt%) concentrations—for elements from sodium (¹¹Na) to uranium (⁹²U).

X-ray Transmission (XRT) on-line process analyzers are routinely employed to classify crude oil and marine bunker fuels that contain 0.02-6 wt% sulfur (S). In this method, sulfur absorbs X-rays transmitted between an X-ray source and detector. The technique is well suited to the high pressures and extreme temperatures employed in transmission pipelines and blending operations.

XRF Links and Resources

Learn how X-ray fluorescence spectroscopy works

Since the use of a primary X-ray beam to excite fluorescent radiation from the sample was first proposed by Glocker and Schreiber in 1928, an extensive body of knowledge has been developed for X-ray fluorescence spectroscopy instrumentation, software, and sample preparation. The following links cover the practical use of XRF in great detail:

Quantitative X-ray Spectrometry
By Ron Jenkins, R. W. Gould and Dale Gedcke
Principles and Practice of X-Ray Spectrometric Analysis
By Eugene P. Bertin
X-Ray Spectrometry: Recent Technological Advances
By Kouichi Tsuji, Jasna Injuk and René Grieken
X-Ray Spectroscopy In Environmental Sciences
By Vlado Valković
Handbook Of Practical X-Ray Fluorescence Analysis
By B. Beckhoff, N. Langhoff, B. Kanngiefer, R. Wedell and H. Wolff
Handbook Of X-Ray Spectrometry
By René Grieken and Andrzej Markowicz
X-Ray Based Methods Of Analysis (Comprehensive Analytical Chemistry)
By Koen Janssens
Preparation of Specimens
By Victor E. Buhrke, Ron Jenkins and Deane K. Smith
Wikipedia: X-ray Fluorescence

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