Reference Source

ISO 7404-3:2009

For ISO 7404-3:2009, item title is Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition; status code is 9599; successor is ISO/WD 7404-3 | ISO 7404-3:2025; withdrawn / published date is 2009-09-24, recorded from its source on 2026-08-05.

Identifier
ISO 7404-3:2009 verified
Item title
Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition verified
Status code
9599 verified
Successor
ISO/WD 7404-3 | ISO 7404-3:2025
Withdrawn / published date
2009-09-24 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

42831,IS,,ISO 7404-3:2009,Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition,Méthodes d'analyse pétrographique des charbons — Partie 3: Détermination de la composition en groupes de macéraux,2009-09-24,3,['73.040'],ISO/TC 27/SC 5,9599,[14129],"[83416,87002]",['en'],7,"<p>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.</p>"

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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