# ISO 7725:1991 — Withdrawn and superseded ISO standards For ISO 7725:1991, item title is Rubber and rubber products — Determination of bromine and chlorine content — Oxygen flask combustion technique; status code is 9599; successor is ISO 7725:2020; withdrawn / published date is 1991-10-10, recorded from its source on 2026-08-05. - **Identifier:** ISO 7725:1991 _(verified: appears in the quote below)_ - **Item title:** Rubber and rubber products — Determination of bromine and chlorine content — Oxygen flask combustion technique _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 7725:2020 - **Withdrawn / published date:** 1991-10-10 _(verified: appears in the quote below)_ ## What the source says > 14560,IS,,ISO 7725:1991,Rubber and rubber products — Determination of bromine and chlorine content — Oxygen flask combustion technique,Caoutchouc et produits à base de caoutchouc — Détermination de la teneur en brome et en chlore — Technique de combustion dans une fiole en présence d'oxygène,1991-10-10,1,['83.060'],ISO/TC 45/SC 2,9599,,[72794],"['en','fr']",7,"

Describes the principle, the reagents and materials, the apparatus, the selection and preparation of intermediate test portion, the test procedure, the expression of results, and the contents of the test report. Annex A is for information only.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).