# ISO 5550:1978 — Withdrawn and superseded ISO standards

For ISO 5550:1978, item title is Caseins and caseinates — Determination of water content (Reference method); status code is 9599; successor is ISO 5550:2006 | ISO/CD 5550 | ISO/WD 5550; withdrawn / published date is 1978-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5550:1978 _(verified: appears in the quote below)_
- **Item title:** Caseins and caseinates — Determination of water content (Reference method) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5550:2006 | ISO/CD 5550 | ISO/WD 5550
- **Withdrawn / published date:** 1978-11-01 _(verified: appears in the quote below)_

## What the source says

> 11616,IS,,ISO 5550:1978,Caseins and caseinates — Determination of water content (Reference method),Caséines et caséinates — Détermination de la teneur en eau (Méthode de référence),1978-11-01,1,['67.100.99'],ISO/TC 34/SC 5,9599,,"[41681,23035,36877]","['en','fr']",2,<p>Is applicable to all types of caseins and caseinates. The principle consists in drying a test portion at 102 +/- 1 degree centigrade and weighing to determine the loss of mass which is expressed as a percentage by mass.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).