# ISO 5061:1983 — Withdrawn and superseded ISO standards

For ISO 5061:1983, item title is Animal feeding stuffs — Determination of castor oil seed husks — Microscopical method; status code is 9599; successor is ISO 5061:2002; withdrawn / published date is 1983-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5061:1983 _(verified: appears in the quote below)_
- **Item title:** Animal feeding stuffs — Determination of castor oil seed husks — Microscopical method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5061:2002
- **Withdrawn / published date:** 1983-07-01 _(verified: appears in the quote below)_

## What the source says

> 11078,IS,,ISO 5061:1983,Animal feeding stuffs — Determination of castor oil seed husks — Microscopical method,Aliments des animaux — Détermination des coques de graines de ricin — Méthode microscopique,1983-07-01,1,['65.120'],ISO/TC 34/SC 10,9599,,[35599],"['en','fr']",6,"<p>The limit of detection is 5 mg/kg. The method consists in boiling a test portion successively with nitric acid solution and sodium hydroxide solution, washing and separation of the residue by decantation, drying, microscopical identification of fragments of oil seed husks and weighing. 7 figures show examples of the structure under low magnification.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).