ISO 7404-1:2025-ed.4.0

Detailinformationen

Bezeichnung: ISO 7404-1:2025-ed.4.0

Ausgabedatum: 27.10.2025

Seiten: 7

Land: Internationale technische Norm

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Annotation

Description / Abstract: 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.