# ISO 22634-2:2017 — Withdrawn and superseded ISO standards For ISO 22634-2:2017, item title is Cigarettes — Determination of benzo[a]pyrene in cigarette mainstream smoke using GC/MS — Part 2: Method using cyclohexane as extraction solvent; status code is 9599; successor is ISO 22634-2:2019; withdrawn / published date is 2017-12-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 22634-2:2017 _(verified: appears in the quote below)_ - **Item title:** Cigarettes — Determination of benzo[a]pyrene in cigarette mainstream smoke using GC/MS — Part 2: Method using cyclohexane as extraction solvent _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 22634-2:2019 - **Withdrawn / published date:** 2017-12-01 _(verified: appears in the quote below)_ ## What the source says > 63663,IS,,ISO 22634-2:2017,Cigarettes — Determination of benzo[a]pyrene in cigarette mainstream smoke using GC/MS — Part 2: Method using cyclohexane as extraction solvent,Cigarettes — Dosage du benzo[a]pyrène dans le courant principal de la fumée de cigarette par CG/SM — Partie 2: Méthode utilisant du cyclohexane comme solvant d'extraction,2017-12-01,1,['65.160'],ISO/TC 126,9599,,[76380],"['en','fr']",10,"

ISO 22634-2:2017 specifies a method for the determination of benzo[a]pyrene (B[a]P) in the total particulate matter of cigarette mainstream smoke using gas chromatography/mass spectrometry (GC/MS) with cyclohexane as extraction solvent.

This method was validated using ISO 3308 smok ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).