# ISO/R 1776:1970 — Withdrawn and superseded ISO standards

For ISO/R 1776:1970, item title is Determination of the resistance of glass to attack by 6N hydrochloric acid at 100 degrees C; status code is 9599; successor is ISO 1776:1985; withdrawn / published date is 1970-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO/R 1776:1970 _(verified: appears in the quote below)_
- **Item title:** Determination of the resistance of glass to attack by 6N hydrochloric acid at 100 degrees C _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1776:1985
- **Withdrawn / published date:** 1970-10-01 _(verified: appears in the quote below)_

## What the source says

> 6410,R,,ISO/R 1776:1970,Determination of the resistance of glass to attack by 6N hydrochloric acid at 100 degrees C,Détermination de la résistance du verre à l'attaque par l'acide chlorhydrique 6N à 100 degrés C,1970-10-01,1,['81.040.01'],ISO/TC 48,9599,,[6411],"['en','fr']",4,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).