# ISO 20752:2014 — Withdrawn and superseded ISO standards For ISO 20752:2014, item title is Cork stoppers — Determination of releasable 2, 4, 6-trichloroanisol (TCA); status code is 9599; successor is ISO 20752:2023; withdrawn / published date is 2014-06-13, recorded from its source on 2026-08-05. - **Identifier:** ISO 20752:2014 _(verified: appears in the quote below)_ - **Item title:** Cork stoppers — Determination of releasable 2, 4, 6-trichloroanisol (TCA) _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 20752:2023 - **Withdrawn / published date:** 2014-06-13 _(verified: appears in the quote below)_ ## What the source says > 62646,IS,,ISO 20752:2014,"Cork stoppers — Determination of releasable 2, 4, 6-trichloroanisol (TCA)","Bouchons en liège — Dosage du 2, 4, 6-trichloroanisol (TCA) relargable",2014-06-13,2,['79.100'],ISO/TC 87,9599,[39703],[80006],"['en','fr']",6,"

ISO 20752:2014 specifies a test method to determine releasable 2,4,6-trichloroanisol (TCA) from cork stoppers.

It is applicable to all types of cork stoppers and all their cork constituents.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).