# ISO 4048:2008 — Withdrawn and superseded ISO standards

For ISO 4048:2008, item title is Leather — Chemical tests — Determination of matter soluble in dichloromethane and free fatty acid content; status code is 9599; successor is ISO 4048:2018; withdrawn / published date is 2008-02-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4048:2008 _(verified: appears in the quote below)_
- **Item title:** Leather — Chemical tests — Determination of matter soluble in dichloromethane and free fatty acid content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4048:2018
- **Withdrawn / published date:** 2008-02-07 _(verified: appears in the quote below)_

## What the source says

> 43411,IS,,ISO 4048:2008,Leather — Chemical tests — Determination of matter soluble in dichloromethane and free fatty acid content,Cuir — Essais chimiques — Dosage des matières solubles dans le dichlorométhane et des acides gras libres,2008-02-07,2,['59.140.30'],IULTCS,9599,[9750],[73702],"['en','fr']",6,"<p>ISO 4048:2008 specifies a method for the determination of the substances in leather which are soluble in dichloromethane. This method is applicable to all types of leather</p><p>ISO 4048:2008 includes two techniques for extraction of the fatty substances: 1) extraction using the Soxhlet apparatus; and 2) extraction using a pressurized extraction system. As the extraction is frequently don

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).