Nuclear energy - Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method
NORM herausgegeben am 1.12.2019
Bezeichnung normen: ČSN EN ISO 12799
Zeichen: 404057
Katalog-Nummer: 508400
Ausgabedatum normen: 1.12.2019
Zahl der Seiten: 16
Gewicht ca.: 48 g (0.11 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This International Standard 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)