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EN ISO 16795:2025

Nuclear energy - Determination of Gd2O3 content in pellets containing uranium oxide by X-ray fluorescence spectrometry (ISO 16795:2024) EN ISO 16795:2025

Publication date:   Oct 15, 2025

General information

60.60   Standard published   Aug 20, 2025

CEN

CEN/TC 430 Nuclear energy, nuclear technologies, and radiological protection

European Norm

27.120.30   Fissile materials and nuclear fuel technology

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Scope

This document specifies a method which covers the determination of Gd2O3 content in UO2 fuel pellets, by X-ray fluorescence spectrometry.
Either wave dispersion X-ray fluorescence (WD-XRF) or energy dispersion X-ray fluorescence (ED-XRF) is applicable, however, this document states a method by using WD-XRF using Gd Lα-line.
This method has been tested for mass fractions of from 2 % to 10 % Gd2O3.

Life cycle

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PUBLISHED
EN ISO 16795:2025
60.60 Standard published
Aug 20, 2025

Relations

Adopted from ISO 16795:2024 IDENTICAL




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