# ISO 4937:1986 — Withdrawn and superseded ISO standards

For ISO 4937:1986, item title is Steel and iron — Determination of chromium content — Potentiometric or visual titration method; status code is 9599; successor is ISO 4937:2024; withdrawn / published date is 1986-12-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4937:1986 _(verified: appears in the quote below)_
- **Item title:** Steel and iron — Determination of chromium content — Potentiometric or visual titration method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4937:2024
- **Withdrawn / published date:** 1986-12-18 _(verified: appears in the quote below)_

## What the source says

> 10951,IS,,ISO 4937:1986,Steel and iron — Determination of chromium content — Potentiometric or visual titration method,Aciers et fontes — Dosage du chrome — Méthode par titrage potentiométrique ou visuel,1986-12-18,1,['77.080.01'],ISO/TC 17/SC 1,9599,,[86373],"['en','fr']",8,"<p>The method is applicable to chromium contents between 0.25 % (m/m) and 35 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests, and Annex B represents the precision data graphically.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).