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: Under developmentStage: Close of comment period [30.60]
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Edition: 3
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Technical Committee :ISO/TC 27/SC 5
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Life cycle
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Previously
PublishedISO 7404-2:2009
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Now
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