# ISO 4829-1:1986 — Withdrawn and superseded ISO standards

For ISO 4829-1:1986, item title is Steel and cast iron — Determination of total silicon content — Reduced molybdosilicate spectrophotometric method — Part 1: Silicon contents between 0,05 and 1,0 %; status code is 9599; successor is ISO 4829-1:2018; withdrawn / published date is 1986-11-27, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4829-1:1986 _(verified: appears in the quote below)_
- **Item title:** Steel and cast iron — Determination of total silicon content — Reduced molybdosilicate spectrophotometric method — Part 1: Silicon contents between 0,05 and 1,0 % _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4829-1:2018
- **Withdrawn / published date:** 1986-11-27 _(verified: appears in the quote below)_

## What the source says

> 10805,IS,,ISO 4829-1:1986,"Steel and cast iron — Determination of total silicon content — Reduced molybdosilicate spectrophotometric method — Part 1: Silicon contents between 0,05 and 1,0 %","Aciers et fontes — Dosage du silicium total — Méthode spectrophotométrique au molybdosilicate réduit — Partie 1: Teneurs en silicium entre 0,05 et 1,0 %",1986-11-27,1,['77.080.01'],ISO/TC 17/SC 1,9599,,[67990],"['en','fr']",7,"<p>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 represents the precision data graphically.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).