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ISO DIS 12799

2012 Edition, August 6, 2012

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NUCLEAR ENERGY - DETERMINATION OF NITROGEN CONTENT IN UO2, (U,GD)O2 AND (U,PU)O2 SINTERED PELLETS - INERT GAS EXTRACTION AND CONDUCTIVITY DETECTION METHOD



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Superseded By: ISO 12799

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NOW A PUBLISHED STD * SEE ISO 12799
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Description / Abstract:

This standard describes a procedure for measuring the nitrogen content of UO2, (U,Gd)O2 and (U,Pu)O2 pellets. Nitrogen may be present in the nuclear fuel either in an elemental form or within a chemical compound. 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).
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