# ISO 4531:2018 — Withdrawn and superseded ISO standards

For ISO 4531:2018, item title is Vitreous and porcelain enamels — Release from enamelled articles in contact with food — Methods of test and limits; status code is 9599; successor is ISO 4531:2022; withdrawn / published date is 2018-08-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4531:2018 _(verified: appears in the quote below)_
- **Item title:** Vitreous and porcelain enamels — Release from enamelled articles in contact with food — Methods of test and limits _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4531:2022
- **Withdrawn / published date:** 2018-08-30 _(verified: appears in the quote below)_

## What the source says

> 70990,IS,,ISO 4531:2018,Vitreous and porcelain enamels — Release from enamelled articles in contact with food — Methods of test and limits,Émaux vitrifiés — Libération depuis les articles émaillés en contact avec les aliments — Méthode d'essai et limites,2018-08-30,1,"['97.040.60','25.220.50','67.250']",ISO/TC 107,9599,"[10443,10442]",[81221],"['en','fr']",9,"<p>This document specifies a simulating method of test for determination of the release of metal-ions from enamelled articles, which are intended to come into contact with food.</p><p>It also specifies limits for the release of metal-ions from enamelled articles, which are intended to come into contact with food.</p><p>It is applicable

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).