ISO 2950:1974

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

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

73.040

Statut:

Publié

Date de Publication:

1974-01-31

Numéro Standard:

ISO 2950:1974