What does an X-ray fluorescence instrument measure?
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.
How does X-ray fluorescence work?
XRF describes the process where some high-energy radiation excites atoms by shooting out electrons from the innermost orbitals. When the atom relaxes, that is, when outer electrons fill inner shells, X-Ray fluorescence radiation is emitted. All this happens without touching or damaging the sample.
What does XRD stand for?
X-Ray Diffraction, frequently abbreviated as XRD, is a non-destructive test method used to analyze the structure of crystalline materials.
What is XRD or XRF analysis?
XRF provides the elemental data for chemical composition without differentiating between the different chemical compounds that are present in the sample. XRD identifies and measures the presence and amounts of minerals and their species in the sample. XRD is also used to analyze phase composition and structure.
What is the use of XRD test?
X-Ray Diffraction, frequently abbreviated as XRD, is a non-destructive test method used to analyze the structure of crystalline materials. XRD analysis, by way of the study of the crystal structure, is used to identify the crystalline phases present in a material and thereby reveal chemical composition information.
What is an X-ray fluorescence spectrometer?
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.
How is X-ray fluorescence used in geology?
The analysis of major and trace elements in geological materials by x-ray fluorescence is made possible by the behavior of atoms when they interact with radiation. When materials are excited with high-energy, short wavelength radiation (e.g., X-rays), they can become ionized.
What type of XRF spectrometer is used for chemical analysis?
Wavelength-dispersive XRF spectrometers have predominantly been used for this application. Today, this analysis can also be performed, close to the production site, with the compact, energy-dispersive X-ray fluorescence spectrometer SPECTRO XEPOS.
Why choose Oxford Instruments X-rays?
For the ultimate precision in the elemental and chemical analysis of materials, customers depend on Oxford Instruments x-ray sources.