Standard

ISO 7404-2:2009

Historical draft

Note: This standard has a new edition: ISO 7404-2:2025

Corrigendums and amendments are bought separately.

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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.

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Expires:
  • Edition: 2
  • Version: 1
  • Document type: IS
  • ICS 73.040
  • ISO TC ISO/TC 27/SC 5

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