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X-ray fluorescence - Wikipedia
X-ray fluorescence (XRF) is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded with high-energy X-rays or gamma rays.

X-Ray Fluorescence (XRF) - Techniques
An X-ray fluorescence (XRF) spectrometer is an x-ray instrument used for routine, relatively non-destructive chemical analyses of rocks, minerals, sediments and fluids. It works on wavelength-dispersive spectroscopic principles that are similar to an electron microprobe (EPMA).

X-ray Fluorescence Spectrometry: Principle, Instrumentation ...
The X-ray fluorescence (XRF) spectrometer is an analytical instrument that employs X-ray technology to perform routine and minimally invasive chemical analyses of various geological materials such as rocks, minerals, sediments, and fluids.

THEORY OF XRF - Purdue University
XRF is an analytical method to determine the chemical composition of all kinds of materials. The materials can be in solid, liquid, powder, filtered or other form. XRF can also sometimes be used to determine the thickness and composition of layers and coatings.

What is XRF (X-ray Fluorescence) and How Does it Work?
XRF (X-ray fluorescence) is a non-destructive analytical technique used to determine the elemental composition of materials. XRF analyzers determine the chemistry of a sample by measuring the fluorescent (or secondary) X-ray emitted from a sample when it is excited by a primary X-ray source.

X-Ray Fluorescence - an overview | ScienceDirect Topics
Micro-XRF combines these properties with microscopic analysis, so that individual particles down to 10 μm and surface features can be analyzed, and elemental distribution images can be generated.

X-Ray Fluorescence - University of Georgia
When atoms in a material are externally excited by high-energy, short-wavelength radiation of sufficient energy, such as X-rays, electrons in their inner atomic shell become dislodged and are replaced by higher energy electrons from an outer shell in order for the atoms to maintain electrical stability.

XRF Principle | Fundamentals of X-Ray Fluorescence Analysis
XRF, or X-ray fluorescence, is an analytical technique used to determine the elemental composition of materials. It is non-destructive and reliable, requires no, or very little, sample preparation and is suitable for solid, liquid and powdered samples.

What is X-ray Fluorescence (XRF) - Horiba
X-ray Fluorescence (XRF) is an analytical technique that uses the interaction of X-rays with a material to determine its elemental composition. XRF is suitable for solids, liquids and powders, and in most circumstances is non-destructive. XRF spectroscopy is an effective method for qualitative and quantitative analysis of material composition.

What is X-Ray Fluorescence (XRF) - Scimed
X-ray fluorescence, or XRF, is a technique for analysing the different elements of a broad range of materials. They include metals, plastics and minerals. The aim of this piece explain what XRF is, how and why people use it, its advantages and disadvantages, the equipment involved, and look at the kind of data it produces. What Happens During SEM?

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