Norm

ISO 7404-4:1988 en

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

31,57

Over deze norm

Status Definitief
Aantal pagina's 6
Commissie Vaste Minerale Brandstoffen
Gepubliceerd op 29-12-1988
Taal Engels
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.

Details

ICS-code 73.040
Nederlandse titel Methods for the petrographic analysis of bituminous coal and anthracite - Part 4: Method of determining microlithotype, carbominerite and minerite composition
Engelse titel Methods for the petrographic analysis of bituminous coal and anthracite - Part 4: Method of determining microlithotype, carbominerite and minerite composition
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