# ISO 1833-4:2017 — Withdrawn and superseded ISO standards

For ISO 1833-4:2017, item title is Textiles — Quantitative chemical analysis — Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite); status code is 9599; successor is ISO 1833-4:2023; withdrawn / published date is 2017-07-26, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1833-4:2017 _(verified: appears in the quote below)_
- **Item title:** Textiles — Quantitative chemical analysis — Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1833-4:2023
- **Withdrawn / published date:** 2017-07-26 _(verified: appears in the quote below)_

## What the source says

> 70173,IS,,ISO 1833-4:2017,Textiles — Quantitative chemical analysis — Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite),Textiles — Analyse chimique quantitative — Partie 4: Mélanges de certaines fibres protéiniques avec certaines autres fibres (méthode à l'hypochlorite),2017-07-26,2,['59.060.01'],ISO/TC 38,9599,[40563],[86273],"['en','fr']",3,"<p>ISO 1833-4:2017 specifies a method, using hypochlorite, to determine the mass percentage of protein fibre, after removal of non-fibrous matter, in textiles made of mixtures of certain non-protein fibres and certain protein fibres, as follows:</p><p>- wool, other animal-hair (such as cashmere, mohai

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).