# ISO 7270-2:2012 — Withdrawn and superseded ISO standards

For ISO 7270-2:2012, item title is Rubber — Analysis by pyrolytic gas-chromatographic methods — Part 2: Determination of styrene/butadiene/isoprene ratio; status code is 9599; successor is ISO 7270-2:2024; withdrawn / published date is 2012-09-13, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7270-2:2012 _(verified: appears in the quote below)_
- **Item title:** Rubber — Analysis by pyrolytic gas-chromatographic methods — Part 2: Determination of styrene/butadiene/isoprene ratio _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 7270-2:2024
- **Withdrawn / published date:** 2012-09-13 _(verified: appears in the quote below)_

## What the source says

> 53025,IS,,ISO 7270-2:2012,Rubber — Analysis by pyrolytic gas-chromatographic methods — Part 2: Determination of styrene/butadiene/isoprene ratio,Caoutchouc — Méthodes d'analyse par pyrolyse et chromatographie en phase gazeuse — Partie 2: Détermination du rapport styrène/butadiène/isoprène,2012-09-13,2,['83.060'],ISO/TC 45/SC 2,9599,[38581],[88778],"['en','fr']",11,"<p>ISO 7270-2:2012 specifies a pyrolytic gas-chromatographic method for the determination of the styrene/butadiene/isoprene ratio in copolymers, or blends of homopolymers and/or copolymers, in raw rubbers or in unvulcanized or vulcanized compounds. It is applicable to copolymers/terpolymers consisting of styrene, butadiene and iso

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).