# ISO 21484:2008 — Withdrawn and superseded ISO standards

For ISO 21484:2008, item title is Nuclear fuel technology — Determination of the O/M ratio in MOX pellets  — Gravimetric method; status code is 9599; successor is ISO 21484:2017; withdrawn / published date is 2008-11-11, recorded from its source on 2026-08-05.

- **Identifier:** ISO 21484:2008 _(verified: appears in the quote below)_
- **Item title:** Nuclear fuel technology — Determination of the O/M ratio in MOX pellets  — Gravimetric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 21484:2017
- **Withdrawn / published date:** 2008-11-11 _(verified: appears in the quote below)_

## What the source says

> 40266,IS,,ISO 21484:2008,Nuclear fuel technology — Determination of the O/M ratio in MOX pellets — Gravimetric method,Technologie du combustible nucléaire — Détermination du rapport O/M dans les pastilles MOX — Méthode gravimétrique,2008-11-11,1,"['17.240','27.120.30']",ISO/TC 85/SC 5,9599,,[63950],"['en','fr']",4,"<p>ISO 21484:2008 describes a method for determining the oxygen-to-metal (O/M) ratio in mixed uranium-plutonium oxide (U,Pu)O<sub>2 </sub><sub>±</sub><sub> <i>X</i></sub> pellets.</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).