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
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Status: PublishedPublication date: 2009-10Stage: International Standard to be revised [90.92]
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Edition: 2Number of pages: 12
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Technical Committee :ISO/TC 27/SC 5ICS :73.040
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Life cycle
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Previously
WithdrawnISO 7404-2:1985
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Now
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Will be replaced by
Under developmentISO/CD 7404-2