# ISO 9686:1992 — Withdrawn and superseded ISO standards

For ISO 9686:1992, item title is Direct reduced iron — Determination of carbon and/or sulfur content — High frequency combustion method with infrared measurement; status code is 9599; successor is ISO 9686:2006; withdrawn / published date is 1992-12-03, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9686:1992 _(verified: appears in the quote below)_
- **Item title:** Direct reduced iron — Determination of carbon and/or sulfur content — High frequency combustion method with infrared measurement _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9686:2006
- **Withdrawn / published date:** 1992-12-03 _(verified: appears in the quote below)_

## What the source says

> 17541,IS,,ISO 9686:1992,Direct reduced iron — Determination of carbon and/or sulfur content — High frequency combustion method with infrared measurement,Minerais de fer préréduits — Dosage du carbone et/ou du soufre — Méthode par combustion haute fréquence et mesurage par infrarouge,1992-12-03,1,['73.060.10'],ISO/TC 102/SC 2,9599,,[39728],"['en','fr']",12,"<p>The method is based on combustion of the test portion in a refractory crucible in a flow of oxygen in the presence of an accelerator, conversion of the carbon present into carbon dioxide and the sulfur present into sulfur dioxide, and measurement of each gas by infrared absorption. Applies to carbon contents between 0,05 % and 2,5 % and

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).