ISO 2950:1974

Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield

Publication date:   Feb 1, 1974

95.99   Withdrawal of Standard   Oct 23, 2025

General information

95.99   Withdrawal of Standard   Oct 23, 2025

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

73.040   Coals

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 2950:1974
95.99 Withdrawal of Standard
Oct 23, 2025

REVISED BY

PUBLISHED
ISO 2950:2025