ISO 7404-1:2025

Coal — Methods for petrographic analysis — Part 1: Vocabulary

Publication date: 27 tet 2025

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Current stage: 60.60 Effective date: 27 tet 2025

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 01.040.73 73.040

Gjuha: anglisht

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Statusi: Publikuar

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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.

ISO 7404-1:2025

Coal — Methods for petrographic analysis — Part 1: Vocabulary

General information

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