# ISO 6588-2:2005 — Withdrawn and superseded ISO standards For ISO 6588-2:2005, item title is Paper, board and pulps — Determination of pH of aqueous extracts — Part 2: Hot extraction; status code is 9599; successor is ISO 6588-2:2012; withdrawn / published date is 2005-06-02, recorded from its source on 2026-08-05. - **Identifier:** ISO 6588-2:2005 _(verified: appears in the quote below)_ - **Item title:** Paper, board and pulps — Determination of pH of aqueous extracts — Part 2: Hot extraction _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 6588-2:2012 - **Withdrawn / published date:** 2005-06-02 _(verified: appears in the quote below)_ ## What the source says > 41369,IS,,ISO 6588-2:2005,"Paper, board and pulps — Determination of pH of aqueous extracts — Part 2: Hot extraction","Papier, carton et pâtes — Détermination du pH des extraits aqueux — Partie 2: Extraction à chaud",2005-06-02,1,"['85.060','85.040']",ISO/TC 6,9599,[12994],[59784],"['en','fr','ru']",6,"

ISO 6588-2:2005 specifies a method for the determination of the pH-value defined by the electrolytes extractable by hot water from a sample of paper, board or pulp.

ISO 6588-2:2005 is applicable to all kinds of paper, board and pulp.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).