Draft
International Standard
ISO/DIS 7404-2
Coal — Methods for petrographic analysis — Part 2: Method of preparing coal samples
Reference number
ISO/DIS 7404-2
Edition 3
© ISO 2025
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 7404-2:2009

ISO/DIS 7404-2

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Format
CHF 65
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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
    Stage
    : Full report circulated: DIS approved for registration as FDIS [40.99]
  • Edition
     : 3
    Number of pages
     : 11
  • Technical Committee :
    ISO/TC 27/SC 5
    ICS :
    73.040 
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