# ISO 4947:1986 — Withdrawn and superseded ISO standards For ISO 4947:1986, item title is Steel and cast iron — Determination of vanadium content — Potentiometric titration method; status code is 9599; successor is ISO 4947:2020; withdrawn / published date is 1986-06-05, recorded from its source on 2026-08-05. - **Identifier:** ISO 4947:1986 _(verified: appears in the quote below)_ - **Item title:** Steel and cast iron — Determination of vanadium content — Potentiometric titration method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4947:2020 - **Withdrawn / published date:** 1986-06-05 _(verified: appears in the quote below)_ ## What the source says > 10962,IS,,ISO 4947:1986,Steel and cast iron — Determination of vanadium content — Potentiometric titration method,Aciers et fontes — Dosage du vanadium — Méthode par titrage potentiométrique,1986-06-05,1,['77.080.01'],ISO/TC 17/SC 1,9599,,[74712],"['en','fr']",6,"
This method is applicable to vanadium contents between 0.04 % (m/m) and 2 % (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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).