# ISO 9658:1990 — Withdrawn and superseded ISO standards For ISO 9658:1990, item title is Steel — Determination of aluminium content — Flame atomic absorption spectrometric method; status code is 9599; successor is ISO 9658:2024; withdrawn / published date is 1990-02-22, recorded from its source on 2026-08-05. - **Identifier:** ISO 9658:1990 _(verified: appears in the quote below)_ - **Item title:** Steel — Determination of aluminium content — Flame atomic absorption spectrometric method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 9658:2024 - **Withdrawn / published date:** 1990-02-22 _(verified: appears in the quote below)_ ## What the source says > 17503,IS,,ISO 9658:1990,Steel — Determination of aluminium content — Flame atomic absorption spectrometric method,Aciers — Dosage de l'aluminium — Méthode par spectrométrie d'absorption atomique dans la flamme,1990-02-22,1,['77.080.20'],ISO/TC 17/SC 1,9599,,[86371],"['en','fr']",11,"

The method is applicable to the determination of acid-soluble and/or total aluminium content between 0,005 % (m/m) and 0,20 % (m/m). Specifies definition, principle, reagents, apparatus, sampling, procedure, expression of results and test report. The annexes give additional information on the international co-operative tests, a graphical representation of precision data and procedures for the determination of ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).