Reference number
ISO 2950:1974
© ISO 2025
International Standard
ISO 2950:1974
Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield
Edition 1
1974-02
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Published (Edition 1, 1974)
This publication was last reviewed and confirmed in 2018. Therefore this version remains current.

ISO 2950:1974

Language
Format
CHF 43
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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
     : Published
    Publication date
     : 1974-02
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 27/SC 5
    ICS :
    73.040 
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