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immediate downloadReleased: 2025
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 |
| Pages: | 12 |
| Edition: | 3 |
| Released: | 2025 |
| Language: | English |
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.
