DS/ISO 7404-3:2009
Methods for the petrographic analysis of coals - Part 3: Method of determining maceral group composition

Standard No.

DS/ISO 7404-3:2009

Release Date

2009

Published By

Danish Standards Foundation

Latest

DS/ISO 7404-3:2009

Scope

This part of ISO 7404 specifies a method of determining the proportions of the maceral groups, (andthe minerals if desired) in coals. It is concerned only with determinations made on polishedparticulate blocks using incident white light. For lower rank coals, additional use of fluorescencemode is necessary to identify liptinites.

DS/ISO 7404-3:2009 history

• 2009 DS/ISO 7404-3:2009 Methods for the petrographic analysis of coals - Part 3: Method of determining maceral group composition