# ISO 12184:1994 — Withdrawn and superseded ISO standards

For ISO 12184:1994, item title is Determination of solubility in nitric acid of plutonium in unirradiated mixed oxide fuel pellets (U,Pu)O2; status code is 9599; successor is ISO 21483:2013; withdrawn / published date is 1994-08-11, recorded from its source on 2026-08-05.

- **Identifier:** ISO 12184:1994 _(verified: appears in the quote below)_
- **Item title:** Determination of solubility in nitric acid of plutonium in unirradiated mixed oxide fuel pellets (U,Pu)O2 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 21483:2013
- **Withdrawn / published date:** 1994-08-11 _(verified: appears in the quote below)_

## What the source says

> 3141,IS,,ISO 12184:1994,"Determination of solubility in nitric acid of plutonium in unirradiated mixed oxide fuel pellets (U,Pu)O2","Détermination de la solubilité dans l'acide nitrique du plutonium des pastilles (U,Pu)O2 de combustibles d'oxydes mixtes non irradiés",1994-08-11,1,['27.120.30'],ISO/TC 85/SC 5,9599,,[59614],"['en','fr']",3,<p>Specifies an analytical method for determining the solubility in nitric acid of plutonium in whole pellets of unirradiated mixed oxide fuel (light water reactor fuels). The results provide information about the expected dissolution behaviour of irradiated pellets under industrial reprocessing conditions.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).