Term: wavelength-dispersive X-ray fluorescence analysis https://doi.org/10.1351/goldbook.W06662 Definition: A kind of X-ray fluorescence analysis involving the measurement of the wavelength spectrum of the emitted radiation e.g. by using a diffraction grating or crystal. Related Terms: 1) x-ray fluorescence analysis (http://doi.org/10.1351/goldbook.X06711). 2) radiation (http://doi.org/10.1351/goldbook.R05048). 3) wavelength (http://doi.org/10.1351/goldbook.W06659). 4) diffraction (http://doi.org/10.1351/goldbook.D01711). Source: PAC, 1994, 66, 2513. 'Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)' on page 2526 (https://doi.org/10.1351/pac199466122513) Citation: 'wavelength-dispersive X-ray fluorescence analysis' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.W06662 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.