This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
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.
Status : PublishedPublication date : 2009-10
Edition : 2Number of pages : 12
Technical Committee:Methods of analysis
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