Abstract

Cancels and replaces the first edition (1980). Specifies the method for determining the grindability index of hard coal using the Hardgrove machine. Also specifies the procedure for calibrating the test machine and for preparing the standard reference coal samples.


General information 

  • Status
     :  Withdrawn
    Publication date
     : 1994-12
  • Edition
     : 2
    Number of pages
     : 9
  • Technical Committee
     : ISO/TC 27/SC 5 Methods of analysis
  • ICS
     :
    73.040 Coals

Life cycle


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