# ISO 5983-2:2005 — Withdrawn and superseded ISO standards

For ISO 5983-2:2005, item title is Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 2: Block digestion/steam distillation method; status code is 9599; successor is ISO 5983-2:2009; withdrawn / published date is 2005-06-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5983-2:2005 _(verified: appears in the quote below)_
- **Item title:** Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 2: Block digestion/steam distillation method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5983-2:2009
- **Withdrawn / published date:** 2005-06-30 _(verified: appears in the quote below)_

## What the source says

> 39160,IS,,ISO 5983-2:2005,Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 2: Block digestion/steam distillation method,Aliments des animaux — Dosage de l'azote et calcul de la teneur en protéines brutes — Partie 2: Méthode de digestion en bloc et distillation à la vapeur,2005-06-30,1,['65.120'],ISO/TC 34/SC 10,9599,,[52199],"['en','fr']",14,"<p>ISO 5983-2:2005 specifies a method for the determination of nitrogen content of animal feeding stuffs according to the Kjeldahl method, and a method for the calculation of the crude protein content.</p><p>It concerns a semi-micro rapid routine method using block-digestion, copper catalyst and s

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).