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

Standard No.

ISO 7404-3:2009

Release Date

2009

Published By

International Organization for Standardization (ISO)

Latest

ISO 7404-3:2009

ISO 7404-3:2009 Referenced Document

• ISO 11760 Classification of coals*， 2018-11-22 Update
• ISO 7404-1 Methods for the petrographic analysis of coals - Part 1: Vocabulary*， 2016-04-01 Update
• ISO 7404-2 Methods for the petrographic analysis of coals - Part 2: Methods of preparing coal samples

ISO 7404-3:2009 history

• 2009 ISO 7404-3:2009 Methods for the petrographic analysis of coals - Part 3: Method of determining maceral group composition
• 1994 ISO 7404-3:1994 Methods for the petrographic analysis of bituminous coal and anthracite - Part 3: Method of determining maceral group composition
• 1984 ISO 7404-3:1984 Methods for the petrographic analysis of bituminous coal and anthracite; Part 3 : Method of determining maceral group composition