ISO/FDIS 7404-1

Coal — Methods for petrographic analysis — Part 1: Vocabulary

General information

Current stage: 50.20 Effective date: 30 korr 2025

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

Scope

ISO 7404-1:2016 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.
ISO 7404-1:2016 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. Further information may be obtained from the relevant ICCP publications[3][4][5].

Life cycle

PREVIOUSLY

PUBLISHED
ISO 7404-1:2016

NOW

IN_DEVELOPMENT
ISO/FDIS 7404-1
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
30 korr 2025

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