# ISO 5983:1997 — Withdrawn and superseded ISO standards For ISO 5983:1997, item title is Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Kjeldahl method; status code is 9599; successor is ISO 5983-1:2005; withdrawn / published date is 1997-10-23, recorded from its source on 2026-08-05. - **Identifier:** ISO 5983:1997 _(verified: appears in the quote below)_ - **Item title:** Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Kjeldahl method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 5983-1:2005 - **Withdrawn / published date:** 1997-10-23 _(verified: appears in the quote below)_ ## What the source says > 12176,IS,,ISO 5983:1997,Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Kjeldahl method,Aliments des animaux — Détermination de la teneur en azote et calcul de la teneur en protéines brutes — Méthode Kjeldahl,1997-10-23,2,['65.120'],ISO/TC 34/SC 10,9599,[12175],[39145],"['en','fr']",9, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).