GSO ISO 7404-3:2013
ISO 7404-3:2009
Gulf Standard
Current Edition
·
Approved on
01 April 2013
Methods for the petrographic analysis of coals - Part 3: Method of determining maceral group composition
GSO ISO 7404-3:2013 Files
English
7 Pages
Current Edition
Reference Language
79.44 USD
GSO ISO 7404-3:2013 Scope
This part of ISO 7404 specifies a method for determining the proportions of the maceral groups (and the minerals, if desired) in coals. It is concerned only with determinations made on polished particulate blocks using incident white light. For lower-rank coals, the additional use of the fluorescence mode is necessary to identify liptinites.
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