ISO 7404-2:2025

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Coal - Methods for petrographic analysis - Part 2: Method of preparing coal samples

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ISO 7404-2:2025

Coal - Methods for petrographic analysis - Part 2: Method of preparing coal samples

ISO 7404-2:2025

This document specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflected light microscopy.

These methods can also be applied to the preparation of a polished, embedded lump of coal.

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