# ISO 12800:2003 — Withdrawn and superseded ISO standards For ISO 12800:2003, item title is Nuclear fuel technology — Guide to the measurement of the specific surface area of uranium oxide powders by the BET method; status code is 9599; successor is ISO 12800:2017; withdrawn / published date is 2003-11-27, recorded from its source on 2026-08-05. - **Identifier:** ISO 12800:2003 _(verified: appears in the quote below)_ - **Item title:** Nuclear fuel technology — Guide to the measurement of the specific surface area of uranium oxide powders by the BET method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 12800:2017 - **Withdrawn / published date:** 2003-11-27 _(verified: appears in the quote below)_ ## What the source says > 32142,IS,,ISO 12800:2003,Nuclear fuel technology — Guide to the measurement of the specific surface area of uranium oxide powders by the BET method,Technologie du combustible nucléaire — Principe de la mesure de l'aire massique (surface spécifique) des poudres d'oxyde d'uranium par la méthode BET,2003-11-27,1,['27.120.30'],ISO/TC 85/SC 5,9599,,[66464],"['en','fr']",7,"
IS0 12800:2003 covers 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. U308, UO2-PuO2 powders, and ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).