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ISO 2950:1974

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

Feb 1, 1974
95.99   Withdrawal of Standard   Oct 23, 2025

General information

95.99     Oct 23, 2025

ISO

ISO/TC 27/SC 5

International Standard

73.040  

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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WITHDRAWN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

National adoptions

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

90.92   Standard to be revised

B082 more

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

95.99   Withdrawal of Standard

B082 more