# ISO 6349:1979 — Withdrawn and superseded ISO standards

For ISO 6349:1979, item title is Gas analysis — Preparation of calibration gas mixtures — Permeation method; status code is 9599; successor is ISO 6145-10:2002; withdrawn / published date is 1979-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6349:1979 _(verified: appears in the quote below)_
- **Item title:** Gas analysis — Preparation of calibration gas mixtures — Permeation method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6145-10:2002
- **Withdrawn / published date:** 1979-12-01 _(verified: appears in the quote below)_

## What the source says

> 12652,IS,,ISO 6349:1979,Gas analysis — Preparation of calibration gas mixtures — Permeation method,Analyse des gaz — Préparation des mélanges de gaz pour étalonnage — Méthode par perméation,1979-12-01,1,['71.040.40'],ISO/TC 158,9599,,[25916],"['en','fr']",6,"<p>Describes the principles of the method, which is a continuous dynamic method, for the preparation of gas mixtures in which the components that is desired to use generally have a concentration between 10-9 and 10-5 (by volume) with an achievable accuracy of 2 % of the concentration of the component.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).