# ISO 11337:2010 — Withdrawn and superseded ISO standards

For ISO 11337:2010, item title is Plastics — Polyamides — Determination of e-caprolactam and w-laurolactam by gas chromatography; status code is 9599; successor is ISO 11337:2023; withdrawn / published date is 2010-11-26, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11337:2010 _(verified: appears in the quote below)_
- **Item title:** Plastics — Polyamides — Determination of e-caprolactam and w-laurolactam by gas chromatography _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11337:2023
- **Withdrawn / published date:** 2010-11-26 _(verified: appears in the quote below)_

## What the source says

> 50595,IS,,ISO 11337:2010,Plastics — Polyamides — Determination of e-caprolactam and w-laurolactam by gas chromatography,Plastiques — Polyamides — Détermination du e-caprolactame et du w-laurolactame par chromatographie en phase gazeuse,2010-11-26,2,['83.080.20'],ISO/TC 61/SC 9,9599,"[50526,33330]",[83768],"['en','fr']",14,"<p>ISO 11337:2010 specifies a method for determining epsilon‑caprolactam and omega‑laurolactam in polyamides by gas chromatography. It is suitable particularly for the determination of epsilon‑caprolactam in polyamide 6 and omega‑laurolactam in polyamide 12. Bearing in mind that gas chromatography offers a wide range of possible conditions, the method specified is that sho

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).