ISO 2950:1974 Preview

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.


General information

  • Status :  Published
    Publication date : 1974-02
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 27/SC 5
    Methods of analysis
  • 73.040
    Coals

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