Reference number
ISO/WD 7404-2
© ISO 2024
Working draft
ISO/WD 7404-2
Methods for the petrographic analysis of coals — Part 2: Methods of preparing coal samples
Edition 3
Deleted
Deleted
A working group has prepared a draft.
Will replace ISO 7404-2:2009

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
     : Deleted
    Stage
    : Project deleted [20.98]
  • Edition
     : 3
  • Technical Committee :
    ISO/TC 27/SC 5
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