# ISO 8968-4:2001 — Withdrawn and superseded ISO standards For ISO 8968-4:2001, item title is Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content; status code is 9599; successor is ISO 8968-4:2016; withdrawn / published date is 2001-12-20, recorded from its source on 2026-08-05. - **Identifier:** ISO 8968-4:2001 _(verified: appears in the quote below)_ - **Item title:** Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 8968-4:2016 - **Withdrawn / published date:** 2001-12-20 _(verified: appears in the quote below)_ ## What the source says > 35122,IS,,ISO 8968-4:2001,Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content,Lait — Détermination de la teneur en azote — Partie 4: Détermination de la teneur en azote non protéique,2001-12-20,1,['67.100.10'],ISO/TC 34/SC 5,9599,,[60386],"['en','fr']",6,"

ISO 8968-4|IDF 20-4:2001 specifies a method for the determination of the non-protein nitrogen content of liquid milk, whole or skimmed.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).