# ISO 9061:1988 — Withdrawn and superseded ISO standards

For ISO 9061:1988, item title is Acid-grade and ceramic-grade fluorspar — Determination of iron content — 1,10-Phenanthroline spectrometric method; status code is 9599; successor is ISO 9061:1993; withdrawn / published date is 1988-12-08, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9061:1988 _(verified: appears in the quote below)_
- **Item title:** Acid-grade and ceramic-grade fluorspar — Determination of iron content — 1,10-Phenanthroline spectrometric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9061:1993
- **Withdrawn / published date:** 1988-12-08 _(verified: appears in the quote below)_

## What the source says

> 16630,IS,,ISO 9061:1988,"Acid-grade and ceramic-grade fluorspar — Determination of iron content — 1,10-Phenanthroline spectrometric method","Spaths fluor pour la fabrication de l'acide fluorhydrique et spaths fluor utilisables dans l'industrie céramique — Dosage du fer — Méthode spectrométrique à la phénanthroline-1,10",1988-12-08,1,['73.080'],ISO/TC 175,9599,,[16631],"['en','fr']",3,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).