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Normas DIN – AENOR
DIN EN ISO 12799:2018-11

DIN EN ISO 12799:2018-11

Nuclear energy - Determination of nitrogen content in UO<(Index)2>, (U,Gd)O<(Index)2> and (U,Pu)O<(Index)2> sintered pellets - Inert gas extraction and conductivity detection method (ISO 12799:2015); German and English version prEN ISO 12799:2018 / Note: Date of issue 2018-10-19

Énergie nucléaire - Dosage de la teneur en azote des pastilles frittées d'UO<(Index)2>, (U,Gd)O<(Index)2> et (U,Pu)O<(Index)2> - Méthode d'extraction par gaz inerte et méthode de mesurage de la conductivité (ISO 12799:2015); Version allemande et anglaise prEN ISO 12799:2018 / Attention: Date de parution 2018-10-19

Kernenergie - Bestimmung des Stickstoffgehalts in UO<(Index)2>-, (U,Gd)O<(Index)2>- und (U,Pu)O<(Index)2>-gesinterten Pellets - Schutzgasextraktion und Leitfähigkeitsbestimmungsverfahren (ISO 12799:2015); Deutsche und Englische Fassung prEN ISO 12799:2018 / Achtung: Erscheinungsdatum 2018-10-19

Fecha Anulación:
2019-11 /Withdrawn
Equivalencias internacionales:

ISO 12799 (2015-03)

prEN ISO 12799 (2018-11)

Relación con otras normas DIN:

Reemplazada por: DIN EN ISO 12799:2019-11

Resumen:
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 2200 °C (most notably Pu and U nitrides).
Keywords:
Conductivity, Determination, Determination procedures, Extraction, Fuels, Measurement, Measuring techniques, Nitrogen, Nitrogen content, Nuclear energy, Nuclear fuel technology, Nuclear fuels, Nuclear power, Nuclear technology, Pellets, Samples, Sampling methods, Testing, Uranium dioxide
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