ISO 7404-2:2009
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ISO 7404-2:2009
42798

Status : Published (To be revised)

This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
This standard will be replaced by ISO/AWI 7404-2
en
Format Language
std 1 63 PDF
std 2 63 Paper
  • CHF63
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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.

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General information

  •  : Published
     : 2009-10
    : International Standard to be revised [90.92]
  •  : 2
     : 12
  • ISO/TC 27/SC 5
    73.040 
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