# ISO 5546:1979 — Withdrawn and superseded ISO standards

For ISO 5546:1979, item title is Caseins and caseinates — Determination of pH (Reference method); status code is 9599; successor is ISO 5546:2010; withdrawn / published date is 1979-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5546:1979 _(verified: appears in the quote below)_
- **Item title:** Caseins and caseinates — Determination of pH (Reference method) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5546:2010
- **Withdrawn / published date:** 1979-10-01 _(verified: appears in the quote below)_

## What the source says

> 11611,IS,,ISO 5546:1979,Caseins and caseinates — Determination of pH (Reference method),Caséines et caséinates — Détermination du pH (Méthode de référence),1979-10-01,1,['67.100.99'],ISO/TC 34/SC 5,9599,,[55774],"['en','fr']",2,<p>Covers all types of casein (acid caseins and rennet caseins) and of caseinates. The principle is based on the electrometric determination of the pH of an aqueous extract of casein or an aqueous solution of caseinate using a pH meter.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).