# ISO 741:1976 — Withdrawn and superseded ISO standards

For ISO 741:1976, item title is Sodium carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method; status code is 9599; successor is ISO/CD 741; withdrawn / published date is 1976-02-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 741:1976 _(verified: appears in the quote below)_
- **Item title:** Sodium carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/CD 741
- **Withdrawn / published date:** 1976-02-01 _(verified: appears in the quote below)_

## What the source says

> 4991,IS,,ISO 741:1976,Sodium carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method,Carbonate de sodium à usage industriel — Dosage de l'hydrogénocarbonate de sodium — Méthode titrimétrique,1976-02-01,1,['71.060.50'],ISO/TC 47,9599,,[4992],"['en','fr']",2,"<p>The method is applicable to sodium carbonate products having a sodium hydrogen carbonate contained in a test portion into sodium carbonate by addition of a known excess of sodium hydroxide, precipitation of all the carbonate by means of barium chloride an determination of the excess of sodium hydroxide by means of a standard volumetric hydrochloric acid solution.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).