ISO/DIS 12800

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En desarrollo

Este borrador de Norma Internacional se encuentra en la fase de consultas con los miembros de ISO.

Reemplazará ISO 12800:2017

ISO/DIS 12800

CHF 67

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Resumen

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.