# ISO 8425:1987 — Withdrawn and superseded ISO standards

For ISO 8425:1987, item title is Determination of plutonium in pure plutonium nitrate solutions — Gravimetric method; status code is 9599; successor is ISO/CD 8425 | ISO 8425:2013; withdrawn / published date is 1987-03-12, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8425:1987 _(verified: appears in the quote below)_
- **Item title:** Determination of plutonium in pure plutonium nitrate solutions — Gravimetric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/CD 8425 | ISO 8425:2013
- **Withdrawn / published date:** 1987-03-12 _(verified: appears in the quote below)_

## What the source says

> 15603,IS,,ISO 8425:1987,Determination of plutonium in pure plutonium nitrate solutions — Gravimetric method,Détermination du plutonium dans les solutions de nitrate de plutonium pur — Méthode gravimétrique,1987-03-12,1,['27.120.30'],ISO/TC 85/SC 5,9599,,"[41198,51660]","['en','fr']",4,"<p>Specifies a method for determining plutonium in pure plutonium nitrate solutions and reference solutions, containing between 100 and 300 g of plutonium per litre, in a nitric acid medium. The principle of the method, interferences, reagents, apparatus, procedure and expression of results are described.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).