# ISO 7781:1986 — Withdrawn and superseded ISO standards For ISO 7781:1986, item title is Rubber, raw styrene-butadiene — Soap and organic acid content — Determination; status code is 9599; successor is ISO 7781:1996; withdrawn / published date is 1986-10-16, recorded from its source on 2026-08-05. - **Identifier:** ISO 7781:1986 _(verified: appears in the quote below)_ - **Item title:** Rubber, raw styrene-butadiene — Soap and organic acid content — Determination _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 7781:1996 - **Withdrawn / published date:** 1986-10-16 _(verified: appears in the quote below)_ ## What the source says > 14662,IS,,ISO 7781:1986,"Rubber, raw styrene-butadiene — Soap and organic acid content — Determination",Caoutchouc butadiène-styrène brut — Détermination de la teneur en savons et acides organiques,1986-10-16,1,['83.040.10'],ISO/TC 45,9599,"[6763,6762]",[20153],"['en','fr']",4, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).