ISO 12800:2017

Nuclear fuel technology — Guidelines on the measurement of the specific surface area of uranium oxide powders by the BET method

Publication date: Jun 22, 2017

General information

Current stage: 90.93 Effective date: Sep 16, 2022

Originator: ISO

Owner: ISO/TC 85/SC 5

Type: International Standard

ICS: 27.120.30

Languages: English French

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Status: Published

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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.

Life cycle

PREVIOUSLY

Revises
ISO 12800:2003

NOW

PUBLISHED
ISO 12800:2017
90.93 Standard confirmed
Sep 16, 2022

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