Abstract 

ISO 7404-2:2009 specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflectance microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.


General information

  • Status :  Under development
  • Edition : 3
  • :
    ISO/TC 27/SC 5
    Methods of analysis

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