# ISO 6331:1983 — Withdrawn and superseded ISO standards

For ISO 6331:1983, item title is Chromium ores and concentrates — Determination of chromium content — Titrimetric method; status code is 9599; successor is ISO 6331:2024; withdrawn / published date is 1983-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6331:1983 _(verified: appears in the quote below)_
- **Item title:** Chromium ores and concentrates — Determination of chromium content — Titrimetric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6331:2024
- **Withdrawn / published date:** 1983-11-01 _(verified: appears in the quote below)_

## What the source says

> 12628,IS,,ISO 6331:1983,Chromium ores and concentrates — Determination of chromium content — Titrimetric method,Minerais et concentrés de chrome — Dosage du chrome — Méthode titrimétrique,1983-11-01,1,['73.060.30'],ISO/TC 132,9599,,[83914],"['en','fr']",4,"<p>The method is applicable to products having a chromium content greater than 7 % (m/m). Should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, procedure and expression of results.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).