# ISO 2950:1974 — Withdrawn and superseded ISO standards

For ISO 2950:1974, item title is Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield; status code is 9599; successor is ISO 2950:2025; withdrawn / published date is 1974-02-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2950:1974 _(verified: appears in the quote below)_
- **Item title:** Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2950:2025
- **Withdrawn / published date:** 1974-02-01 _(verified: appears in the quote below)_

## What the source says

> 7997,IS,,ISO 2950:1974,Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield,"Charbons bruns et lignites — Classification en types, d'après la teneur en humidité totale et le rendement en goudron",1974-02-01,1,['73.040'],ISO/TC 27/SC 5,9599,,[90230],"['en','fr']",2,"<p>Brown coals are classified in this International Standard according to the following properties: total moisture content calculated on the ash-free basis; tar hiels calculated on the dry, ash-free basis. In tables class numbers, group number and code numbers of brown coal types are given.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).