# ISO 9689:1990 — Withdrawn and superseded ISO standards

For ISO 9689:1990, item title is Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification; status code is 9599; successor is ISO 9689:2025; withdrawn / published date is 1990-11-22, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9689:1990 _(verified: appears in the quote below)_
- **Item title:** Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9689:2025
- **Withdrawn / published date:** 1990-11-22 _(verified: appears in the quote below)_

## What the source says

> 17544,IS,,ISO 9689:1990,Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification,Verre d'optique brut — Résistance à l'attaque par des solutions aqueuses de détergent contenant du phosphate alcalin à 50 degrés C — Essai et classification,1990-11-22,1,['81.040.10'],ISO/TC 172/SC 3,9599,,[83729],"['en','fr']",8,<p>Specifies a method for testing the resistance of raw optical glasses and a classification of optical glasses according to the aqueous alkaline phosphate-containing detergent resistance (phosphate resistance) determined by this method.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).