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ISO 12799:2015

Nuclear energy — Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets — Inert gas extraction and conductivity detection method
13 mar 2015

General information

90.93     15 korr 2022

ISO

ISO/TC 85/SC 5

International Standard

27.120.30  

anglisht   frëngjisht  

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Scope

ISO 12799:2015 describes a procedure for measuring the nitrogen content of UO2, (U,Gd)O2, and (U,Pu)O2 pellets. Nitrogen in nuclear fuel may be present either as elemental nitrogen or chemically combined in the form of nitrogenous compounds. The technique described herein serves to determine the total content of nitrogen excluding those compounds whose decomposition temperature is above 2 200 °C (most notably Pu and U nitrides).

Life cycle

NOW

PUBLISHED
ISO 12799:2015
90.93 Standard confirmed
15 korr 2022