# ISO 6427:1982 — Withdrawn and superseded ISO standards For ISO 6427:1982, item title is Plastics — Determination of matter extractable by organic solvents (conventional methods); status code is 9599; successor is ISO 6427:1992; withdrawn / published date is 1982-12-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 6427:1982 _(verified: appears in the quote below)_ - **Item title:** Plastics — Determination of matter extractable by organic solvents (conventional methods) _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 6427:1992 - **Withdrawn / published date:** 1982-12-01 _(verified: appears in the quote below)_ ## What the source says > 12777,IS,,ISO 6427:1982,Plastics — Determination of matter extractable by organic solvents (conventional methods),Plastiques — Détermination des matières extractibles avec des solvants organiques (méthodes conventionnelles),1982-12-01,1,['83.080.01'],ISO/TC 61/SC 5,9599,,[12778],"['en','fr']",9, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).