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ISO 7404-4:1988

Methods for the petrographic analysis of bituminous coal and anthracite -- Part 4: Method of determining microlithotype, carbominerite and minerite composition

Pages: 6
Publication date: 1988-12-01
Price: Contact

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This part of ISO 7404 applies only to determinations made on polished particular blocks using reflected white ligth. The examination is carried out by using reflected ligth microscope and point count procedure. The microlithotypes are identified from their maceral composition under an immersion medium. The proportions of the macerals are determined using a graticule having a grid with 20 points of intersection.
Document identifier
ISO 7404-4:1988
Title
Methods for the petrographic analysis of bituminous coal and anthracite -- Part 4: Method of determining microlithotype, carbominerite and minerite composition
ISO Category
TC 27: Solid mineral fuels
Publication date
1988-12-01
Status
Ineffective
International Relationship
Cross references
Latest version
ISO 7404-4:2017
Methods for the petrographic analysis of coals - Part 4: Method of determining microlithotype, carbominerite and minerite composition
Document identifier ISO 7404-4:2017
Publication date 2017-08-01
Classification 73.040. Coals
Status Effective
*
History of version
ISO 7404-4:2017*ISO 7404-4:1988 * ISO 7404-4:2017 * ISO 7404-4:1988
Keywords
Classification
73.040. Coals
Pages
6
Price Contact

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