ISO 7404-1:2025
International Standard
Current Edition
·
Approved on
27 October 2025
Coal — Methods for petrographic analysis — Part 1: Vocabulary
ISO 7404-1:2025 Files
English
7 Pages
Current Edition
USD
82.8
ISO 7404-1:2025 Scope
This document defines terms that are used in connection with both maceral and microlithotype analyses, and with the determination of the reflectance of vitrinite. It applies to the terms used in the examination of coal of all ranks and types.
This document is not intended to be a comprehensive glossary of coal petrographic terminology, nor does it attempt to provide sufficient information to allow recognition of all the coal components described.
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