# ISO 13291:1997 — Withdrawn and superseded ISO standards

For ISO 13291:1997, item title is Zinc sulfide concentrates — Determination of zinc content — Solvent extraction and EDTA titrimetric method; status code is 9599; successor is ISO 13291:2006; withdrawn / published date is 1997-11-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 13291:1997 _(verified: appears in the quote below)_
- **Item title:** Zinc sulfide concentrates — Determination of zinc content — Solvent extraction and EDTA titrimetric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 13291:2006
- **Withdrawn / published date:** 1997-11-20 _(verified: appears in the quote below)_

## What the source says

> 21570,IS,,ISO 13291:1997,Zinc sulfide concentrates — Determination of zinc content — Solvent extraction and EDTA titrimetric method,Concentrés sulfurés de zinc — Dosage du zinc — Méthode par extraction à l'aide d'un solvant et titrage à l'EDTA,1997-11-20,1,['73.060.99'],ISO/TC 183,9599,,[37618],['en'],18,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).