ISO/FDIS 7404-2
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Coal — Methods for petrographic analysis — Part 2: Method of preparing coal samples
Hardcopy , PDF
English
16-07-2025
27-10-2025
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.
| Committee |
ISO/TC 27/SC 5
|
| DocumentType |
Draft
|
| Pages |
12
|
| PublisherName |
International Organization for Standardization
|
| RevisionOf | |
| Status |
Superseded
|
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