# ISO 11483:1994 — Withdrawn and superseded ISO standards

For ISO 11483:1994, item title is Preparation of plutonium sources and determination of 238Pu/239Pu isotope ratio by alpha spectrometry; status code is 9599; successor is ISO 11483:2005; withdrawn / published date is 1994-08-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11483:1994 _(verified: appears in the quote below)_
- **Item title:** Preparation of plutonium sources and determination of 238Pu/239Pu isotope ratio by alpha spectrometry _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11483:2005
- **Withdrawn / published date:** 1994-08-18 _(verified: appears in the quote below)_

## What the source says

> 19435,IS,,ISO 11483:1994,Preparation of plutonium sources and determination of 238Pu/239Pu isotope ratio by alpha spectrometry,Préparation des sources de plutonium et détermination du rapport isotopique 238Pu/239Pu par spectrométrie alpha,1994-08-18,1,['27.120.30'],ISO/TC 85/SC 5,9599,,[37591],"['en','fr']",7,<p>Describes three simple and fast procedures to prepare plutonium sources and a procedure to measure the activity ratio by alpha particle spectrometry. Does not apply to purified plutonium solutions containing ^241Am nor to those containing more than 10 % of other nonvolatile impurities relative to the Pu content. The methods given are intended for use in conjunction or in parallel wit

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).