# ISO 9504:1990 — Withdrawn and superseded ISO standards For ISO 9504:1990, item title is Metallurgical-grade fluorspar — Determination of antimony content — Solvent extraction atomic absorption spectrometric method; status code is 9599; successor is ISO 9504:1993; withdrawn / published date is 1990-06-14, recorded from its source on 2026-08-05. - **Identifier:** ISO 9504:1990 _(verified: appears in the quote below)_ - **Item title:** Metallurgical-grade fluorspar — Determination of antimony content — Solvent extraction atomic absorption spectrometric method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 9504:1993 - **Withdrawn / published date:** 1990-06-14 _(verified: appears in the quote below)_ ## What the source says > 17232,IS,,ISO 9504:1990,Metallurgical-grade fluorspar — Determination of antimony content — Solvent extraction atomic absorption spectrometric method,Spaths fluor utilisables dans l'industrie métallurgique — Dosage de l'antimoine — Méthode par spectrométrie d'absorption atomique après extration,1990-06-14,1,['73.080'],ISO/TC 175,9599,,[17233],"['en','fr']",6, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).