# ISO 22734-2:2011 — Withdrawn and superseded ISO standards

For ISO 22734-2:2011, item title is Hydrogen generators using water electrolysis process — Part 2: Residential applications; status code is 9599; successor is ISO 22734:2019; withdrawn / published date is 2011-11-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO 22734-2:2011 _(verified: appears in the quote below)_
- **Item title:** Hydrogen generators using water electrolysis process — Part 2: Residential applications _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 22734:2019
- **Withdrawn / published date:** 2011-11-15 _(verified: appears in the quote below)_

## What the source says

> 41044,IS,,ISO 22734-2:2011,Hydrogen generators using water electrolysis process — Part 2: Residential applications,Générateurs d'hydrogène utilisant le procédé d'électrolyse de l'eau — Partie 2: Applications résidentielles,2011-11-15,1,"['71.120.99','71.100.20']",ISO/TC 197,9599,[36454],[69212],['en'],44,"<p>ISO 22734-2:2011 defines the construction, safety and performance requirements of packaged hydrogen gas generation appliances, herein referred to as hydrogen generators, using electrochemical reactions to electrolyse water to produce hydrogen.</p><p>ISO 22734-2:2011 is applicable to hydrogen generators that use the following types of ion transport medium: a group of aqueous bases or soli

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).