# ISO 1833-20:2009 — Withdrawn and superseded ISO standards

For ISO 1833-20:2009, item title is Textiles — Quantitative chemical analysis — Part 20: Mixtures of elastane and certain other fibres (method using dimethylacetamide); status code is 9599; successor is ISO 1833-20:2018; withdrawn / published date is 2009-10-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1833-20:2009 _(verified: appears in the quote below)_
- **Item title:** Textiles — Quantitative chemical analysis — Part 20: Mixtures of elastane and certain other fibres (method using dimethylacetamide) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1833-20:2018
- **Withdrawn / published date:** 2009-10-09 _(verified: appears in the quote below)_

## What the source says

> 42996,IS,,ISO 1833-20:2009,Textiles — Quantitative chemical analysis — Part 20: Mixtures of elastane and certain other fibres (method using dimethylacetamide),Textiles — Analyse chimique quantitative — Partie 20: Mélanges d'élasthanne et de certaines autres fibres (méthode à la diméthylacétamide),2009-10-09,1,['59.060.01'],ISO/TC 38,9599,"[6484,6483]",[70287],"['en','fr']",3,"<p>ISO 1833-20:2009 specifies a method using dimethylacetamide to determine the</p><p>percentage of elastane, after removal of non-fibrous matter, in textiles made of binary mixtures of certain elastane fibres with cotton, viscose, cupro, modal, polyamide, polyester or wool fibres.</p><p>This method is not applicable wh

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).