ISO 5074:1994

Hard coal -- Determination of Hardgrove grindability index

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  • Status :  Withdrawn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
  • :
    ISO/TC 27/SC 5
    Methods of analysis
  • 73.040
    Coals

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