# ISO 6587:1992 — Withdrawn and superseded ISO standards For ISO 6587:1992, item title is Paper, board and pulps — Determination of conductivity of aqueous extracts; status code is 9599; successor is ISO 6587:2021; withdrawn / published date is 1992-04-30, recorded from its source on 2026-08-05. - **Identifier:** ISO 6587:1992 _(verified: appears in the quote below)_ - **Item title:** Paper, board and pulps — Determination of conductivity of aqueous extracts _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 6587:2021 - **Withdrawn / published date:** 1992-04-30 _(verified: appears in the quote below)_ ## What the source says > 12993,IS,,ISO 6587:1992,"Paper, board and pulps — Determination of conductivity of aqueous extracts","Papier, carton et pâtes — Détermination de la conductivité des extraits aqueux",1992-04-30,2,"['85.060','85.040']",ISO/TC 6,9599,[12992],[81632],"['en','fr']",4,"
The method described is applicable to all kinds of paper, board and pulps, except for papers used for electrical purposes. For high purity papers used for electrical purposes, the method used should be that given in IEC 554-2. Conductivity is measured by means of a conductivity meter or resistance bridge, using alternating current.
" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).