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Normas DIN – AENOR
DIN EN ISO 12800:2018-12

DIN EN ISO 12800:2018-12

Nuclear fuel technology - Guidelines on the measurement of the specific surface area of uranium oxide powders by the BET method (ISO 12800:2017); German and English version prEN ISO 12800:2018 / Note: Date of issue 2018-10-26

Technologie du combustible nucléaire - Lignes directrices pour le mesurage de l'aire massique (surface spécifique) des poudres d'oxyde d'uranium par la méthode BET (ISO 12800:2017); Version allemande et anglaise prEN ISO 12800:2018 / Attention: Date de parution 2018-10-26

Kernbrennstofftechnologie - Richtlinien für die Messung des spezifischen Oberflächenbereiches von Uranoxid-Pulvern mittels der BET-Methode (ISO 12800:2017); Deutsche und Englische Fassung prEN ISO 12800:2018 / Achtung: Erscheinungsdatum 2018-10-26

Fecha Anulación:
2019-09 /Withdrawn
Equivalencias internacionales:

ISO 12800 (2017-06)

prEN ISO 12800 (2018-11)

Relación con otras normas DIN:

Reemplazada por: DIN EN ISO 12800:2019-09

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.
Keywords:
BET method, Determination, Gravimetric, Measurement, Nitrogen, Nuclear energy, Nuclear fuels, Nuclear power, Nuclear technology, Powder, Specific, Surfaces, Titrimetric, Uranium dioxide
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