# ISO 20905:2004 — Withdrawn and superseded ISO standards

For ISO 20905:2004, item title is Coal preparation — Determination of dust/moisture relationship for coal; status code is 9599; successor is ISO 20905:2024; withdrawn / published date is 2004-07-08, recorded from its source on 2026-08-05.

- **Identifier:** ISO 20905:2004 _(verified: appears in the quote below)_
- **Item title:** Coal preparation — Determination of dust/moisture relationship for coal _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 20905:2024
- **Withdrawn / published date:** 2004-07-08 _(verified: appears in the quote below)_

## What the source says

> 34313,IS,,ISO 20905:2004,Coal preparation — Determination of dust/moisture relationship for coal,Préparation du charbon — Détermination de la relation particules/humidité du charbon,2004-07-08,1,['73.040'],ISO/TC 27/SC 1,9599,,[87994],['en'],12,<p>ISO 20905:2004 sets out a laboratory procedure for the dust testing of higher rank coals. The procedure defines a means of evaluating the dust/moisture relationship characteristic of a coal and a dust extinction moisture (DEM).</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).