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download between 0-24 hoursReleased: 2009
ISO 7404-3:2009
ISO 7404-3:2009-Methods for the petrographic analysis of coals-Part 3: Method of determining maceral group composition
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Standard´s number: | ISO 7404-3:2009 |
Pages: | 7 |
Edition: | 3 |
Released: | 2009 |
Language: | English |
DESCRIPTION
ISO 7404-3:2009
ISO 7404-3:2009 specifies a method for determining the proportions of the maceral groups (and the minerals, if desired) in coals. ISO 7404-3:2009 is applicable only to 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.