# ISO 4045:2008 — Withdrawn and superseded ISO standards For ISO 4045:2008, item title is Leather — Chemical tests — Determination of pH; status code is 9599; successor is ISO 4045:2018; withdrawn / published date is 2008-02-07, recorded from its source on 2026-08-05. - **Identifier:** ISO 4045:2008 _(verified: appears in the quote below)_ - **Item title:** Leather — Chemical tests — Determination of pH _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4045:2018 - **Withdrawn / published date:** 2008-02-07 _(verified: appears in the quote below)_ ## What the source says > 43410,IS,,ISO 4045:2008,Leather — Chemical tests — Determination of pH,Cuir — Essais chimiques - Détermination du pH,2008-02-07,2,['59.140.30'],IULTCS,9599,[9747],[73701],"['en','fr']",3,
ISO 4045:2008 specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.
## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).