Draft
International Standard
ISO/DIS 2950
Brown coals and lignites — Classification by types on the basis of total moisture mass fraction and tar yield
Reference number
ISO/DIS 2950
Edition 2
© ISO 2024
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 2950:1974

ISO/DIS 2950

Language
Format
CHF 63
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Abstract

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
     : Under development

    You can help develop this draft international standard by contacting your national member

    Stage
    : DIS ballot initiated: 12 weeks [40.20]
  • Edition
     : 2
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 27/SC 5
    ICS :
    73.040 
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