Reference number
ISO 2950:1974
ISO 2950:1974
Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield
Edition 1
1974-02
Retirada
ISO 2950:1974
7997
Retirada (Edición 1, 1974)

Resumen

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.

Informaciones generales

  •  : Retirada
     : 1974-02
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 2
  • ISO/TC 27/SC 5
    73.040 
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