# ISO/TS 21826:2020 — Withdrawn and superseded ISO standards

For ISO/TS 21826:2020, item title is Iron ores — Determination of total iron content — EDTA photometric titration method; status code is 9599; successor is ISO 21826-1:2022; withdrawn / published date is 2020-03-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TS 21826:2020 _(verified: appears in the quote below)_
- **Item title:** Iron ores — Determination of total iron content — EDTA photometric titration method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 21826-1:2022
- **Withdrawn / published date:** 2020-03-09 _(verified: appears in the quote below)_

## What the source says

> 71894,TS,,ISO/TS 21826:2020,Iron ores — Determination of total iron content — EDTA photometric titration method,Minerais de fer — Dosage du fer total — Méthode titrimétrique photométrique à l'EDTA,2020-03-09,1,['73.060.10'],ISO/TC 102/SC 2,9599,,[83877],['en'],26,"<p>This document specifies a photometric titration method using EDTA for the determination of the total iron content of iron ores. </p><p>This method is applicable to a concentration range of a mass fraction of 37,00 % to 72,00 % of total iron in natural iron ores, iron ore concentrates and agglomerates, including sinter products.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).