# ISO 7270-2:2005 — Withdrawn and superseded ISO standards

For ISO 7270-2:2005, 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methods — Part 2: Determination of styrene/butadiene/isoprene ratio; status code is 9599; successor is ISO 7270-2:2012; withdrawn / published date is 2005-03-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7270-2:2005 _(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 7270-2:2012
- **Withdrawn / published date:** 2005-03-21 _(verified: appears in the quote below)_

## What the source says

> 38581,IS,,ISO 7270-2:2005,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,2005-03-21,1,['83.060'],ISO/TC 45/SC 2,9599,,[53025],"['en','fr']",9,"<p>ISO 7270-1:2005 specifies the principles and procedures for determining, by pyrolysis and subsequent gas chromatography, the styrene (STY)/butadiene (BD)/isoprene (IP) ratio in copolymers, or blends of homopolymers and/or copolymers, in raw rubbers or vulcanized or unvulcanized compounds.</p><p>It is applicable to copolymers/terpolymer

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).