# ISO 7404-3:2009 — Withdrawn and superseded ISO standards

For ISO 7404-3:2009, item title is Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition; status code is 9599; successor is ISO/WD 7404-3 | ISO 7404-3:2025; withdrawn / published date is 2009-09-24, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7404-3:2009 _(verified: appears in the quote below)_
- **Item title:** Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 7404-3 | ISO 7404-3:2025
- **Withdrawn / published date:** 2009-09-24 _(verified: appears in the quote below)_

## What the source says

> 42831,IS,,ISO 7404-3:2009,Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition,Méthodes d'analyse pétrographique des charbons — Partie 3: Détermination de la composition en groupes de macéraux,2009-09-24,3,['73.040'],ISO/TC 27/SC 5,9599,[14129],"[83416,87002]",['en'],7,"<p>ISO 7404-3:2009 specifies a method for determining the proportions of the maceral groups (and the minerals, if desired) in coals. ISO 7404-3:2009 is applicable only to determinations made on polished particulate blocks using incident white light. For lower-rank coals, the additional use of the fluorescence mode is necessary to identify liptinites.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).