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Main page>ISO Standards>ISO 7404-2:2025 - Coal — Methods for petrographic analysis — Part 2: Method of preparing coal samples
immediate downloadReleased: 2025-10-27
ISO 7404-2:2025 - Coal — Methods for petrographic analysis — Part 2: Method of preparing coal samples

ISO 7404-2:2025

ISO 7404-2:2025 - Coal — Methods for petrographic analysis — Part 2: Method of preparing coal samples

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Standard´s number:ISO 7404-2:2025
Edition:3
Released:2025-10-27
Pages (English):12
DESCRIPTION

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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