Concept information
TERME PRÉFÉRENTIEL
XRF
DÉFINITION
- X-Ray Fluorescence spectrometer (XRF: Primary X-Rays are used to excite (fluoresce) X-rays in the specimen. A fused disc or pressed pellet is used for the determination of major element concentrations or trace element abundances in a bulk specimen. The X-ray detector utilizes a set of diffracting crystals specially positioned to detect one characteristic X-ray at-a-time. This sequential measurement of X-rays is termed Wavelength Dispersive Spectroscopy (WDS). Additional information available at "http://www.nmnh.si.edu/minsci/labs/xrf.htm"
CONCEPT GÉNÉRIQUE
URI
https://gcmd.earthdata.nasa.gov/kms/concept/665b8764-0c0a-4df7-96f1-4ddae0c6de18
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