ISO 2950:1974
Brown coals and lignites; Classification by types on the basis of total moisture content and tar yield

Standard No.

ISO 2950:1974

Release Date

1974

Published By

International Organization for Standardization (ISO)

Latest

ISO 2950:1974

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.

ISO 2950:1974 history

• 1974 ISO 2950:1974 Brown coals and lignites; Classification by types on the basis of total moisture content and tar yield