prSSH EN ISO 16795:2025

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

General information

Current stage: 40.20 Effective date: Feb 9, 2026

Next stage: 40.60 Next stage date: May 11, 2026

Originator: DPS

Owner: DPS/KT 138

Type: European Norm

ICS: 27.120.30

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

NOW

IN_DEVELOPMENT
prSSH EN ISO 16795:2025
40.20 DIS ballot initiated: 12 weeks
Feb 9, 2026

Related project

Adopted from EN ISO 16795:2025 IDENTICAL

Adopted from ISO 16795:2024 IDENTICAL

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