# ISO 4943:1985 — Withdrawn and superseded ISO standards For ISO 4943:1985, item title is Steel and cast iron — Determination of copper content — Flame atomic absorption spectrometric method; status code is 9599; successor is ISO 4943:2022; withdrawn / published date is 1985-12-12, recorded from its source on 2026-08-05. - **Identifier:** ISO 4943:1985 _(verified: appears in the quote below)_ - **Item title:** Steel and cast iron — Determination of copper content — Flame atomic absorption spectrometric method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4943:2022 - **Withdrawn / published date:** 1985-12-12 _(verified: appears in the quote below)_ ## What the source says > 10959,IS,,ISO 4943:1985,Steel and cast iron — Determination of copper content — Flame atomic absorption spectrometric method,Aciers et fontes — Dosage du cuivre — Méthode par spectrométrie d'absorption atomique dans la flamme,1985-12-12,1,['77.080.01'],ISO/TC 17/SC 1,9599,,[75952],"['en','fr']",6,"
The method is applicable to copper contents between 0.004 % (m/m) and 0.5 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests. Annex B includes the graphical representation of precision data.
" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).