# ISO 10258:1994 — Withdrawn and superseded ISO standards

For ISO 10258:1994, item title is Copper sulfide concentrates — Determination of copper content — Titrimetric methods; status code is 9599; successor is ISO 10258:2015; withdrawn / published date is 1994-06-16, recorded from its source on 2026-08-05.

- **Identifier:** ISO 10258:1994 _(verified: appears in the quote below)_
- **Item title:** Copper sulfide concentrates — Determination of copper content — Titrimetric methods _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 10258:2015
- **Withdrawn / published date:** 1994-06-16 _(verified: appears in the quote below)_

## What the source says

> 18298,IS,,ISO 10258:1994,Copper sulfide concentrates — Determination of copper content — Titrimetric methods,Concentrés de sulfure de cuivre — Dosage du cuivre — Méthodes titrimétriques,1994-06-16,1,['73.060.99'],ISO/TC 183,9599,,[63362],"['en','fr']",17,"<p>Specifies two titrimetric methods for the determination of the copper content of copper sulfide concentrates in the range 15 % (m/m) to 50 % (m/m), titrating free iodine isolated by reaction between iodide ions and copper(II) ions with sodium thiosulfate using soluble starch as the indicator after separation (method 1) or without separation (method 2) of copper from interfering elements.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).