# ISO 11551:1997 — Withdrawn and superseded ISO standards

For ISO 11551:1997, item title is Optics and optical instruments — Lasers and laser-related equipment — Test method for absorptance of optical laser components; status code is 9599; successor is ISO 11551:2003; withdrawn / published date is 1997-07-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11551:1997 _(verified: appears in the quote below)_
- **Item title:** Optics and optical instruments — Lasers and laser-related equipment — Test method for absorptance of optical laser components _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11551:2003
- **Withdrawn / published date:** 1997-07-10 _(verified: appears in the quote below)_

## What the source says

> 19505,IS,,ISO 11551:1997,Optics and optical instruments — Lasers and laser-related equipment — Test method for absorptance of optical laser components,Optique et instruments d'optique — Lasers et équipements associés aux lasers — Méthode d'essai du facteur d'absorption des composants optiques pour lasers,1997-07-10,1,['31.260'],ISO/TC 172/SC 9,9599,,[32097],"['en','fr']",8,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).