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ISO 7404-3:1994

Methods for the petrographic analysis of bituminous coal and anthracite -- Part 3: Method of determining maceral group composition

General information
Withdrawn from 24.09.2009
ICS Groups
73.040 Coals
Directives or regulations
None

Standard history

Status
Date
Type
Name
24.09.2009
Main
Main
ISO 7404-3:1984
Cancels and replaces the first edition (1984). Specifies a method of determining the proportions of the maceral groups (and the minerals if desired) in coals. Concerned only with determinations made on polished particulate blocks using reflected white light. Not concerned with the determination of the proportions of naturally occurring maceral associations.
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Standard monitoring