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ISO 15651:2015Published

Nuclear energy — Determination of total hydrogen content in PuO2 and UO2 powders and UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets — Inert gas extraction and conductivity detection method

Énergie nucléaire — Dosage de la teneur totale en hydrogène de poudres de PuO2 et UO2, et de pastilles frittées d'UO2, (U,Gd)O2 et (U,Pu)O2 — Méthode d'extraction par gaz inerte et méthode de mesure de la conductivité

Abstract / scope

ISO 15651:2015 describes a procedure for measuring the total hydrogen content of UO2 and PuO2 powders (up to 2 000 µg/g oxide) and of U02 and (U,Gd)O2 and (U,Pu)O2 pellets (up to 10 µg/g oxide). The total hydrogen content results from adsorbed water, water of crystallization, hydro-carbon, and other hydrogenated compounds which can exist as impurities in the fuel.