# ISO 17234-1:2020 — Withdrawn and superseded ISO standards

For ISO 17234-1:2020, item title is Leather — Chemical tests for the determination of certain azo colourants in dyed leathers — Part 1: Determination of certain aromatic amines derived from azo colourants; status code is 9599; successor is ISO 17234-1:2024; withdrawn / published date is 2020-08-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO 17234-1:2020 _(verified: appears in the quote below)_
- **Item title:** Leather — Chemical tests for the determination of certain azo colourants in dyed leathers — Part 1: Determination of certain aromatic amines derived from azo colourants _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 17234-1:2024
- **Withdrawn / published date:** 2020-08-21 _(verified: appears in the quote below)_

## What the source says

> 75891,IS,,ISO 17234-1:2020,Leather — Chemical tests for the determination of certain azo colourants in dyed leathers — Part 1: Determination of certain aromatic amines derived from azo colourants,Cuir — Essais chimiques pour le dosage de certains colorants azoïques dans les cuirs teints — Partie 1: Dosage de certaines amines aromatiques dérivées des colorants azoïques,2020-08-21,3,['59.140.30'],IULTCS,9599,[61791],[87433],"['en','fr']",23,<p>This document specifies a method for determining the use of certain azo colourants which can release certain aromatic amines.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).