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EN ISO 12800:2019

Nuclear fuel technology - Guidelines on the measurement of the specific surface area of uranium oxide powders by the BET method (ISO 12800:2017) EN ISO 12800:2019

Publication date:   Nov 14, 2019

General information

60.60 Standard published   Jun 12, 2019

CEN

CEN/TC 430 Nuclear energy, nuclear technologies, and radiological protection

European Norm

27.120.30   Fissile materials and nuclear fuel technology

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Scope

ISO 12800:2017 gives guidelines on the determination of the specific surface area of as-fabricated uranium dioxide powder by volumetric or gravimetric determination of the amount of nitrogen adsorbed on the powder, and can be applied to other similar materials, e.g. U3O8, UO2-PuO2 powders, and other bodies with similar surface areas, e.g. powder granules or green pellets, provided that the conditions described are fulfilled. Modifications using other adsorbing gases are included.
The method is relevant as long as the expected value is in the range between 1 m2/g and 10 m2/g.

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PUBLISHED
EN ISO 12800:2019
60.60 Standard published
Jun 12, 2019

Relations

Adopted from ISO 12800:2017 IDENTICAL