BS ISO 7404-4:2017
Methods for the petrographic analysis of coals. Method of determining microlithotype, carbominerite and minerite composition

Standard No.

BS ISO 7404-4:2017

Release Date

2017

Published By

British Standards Institution (BSI)

Latest

BS ISO 7404-4:2017

Replace

BS 6127-4:1990

BS ISO 7404-4:2017 Referenced Document

• ISO 7404-1:2016 Methods for the petrographic analysis of coals - Part 1: Vocabulary
• ISO 7404-2:2009 Methods for the petrographic analysis of coals - Part 2: Methods of preparing coal samples
• ISO 7404-3:2009 Methods for the petrographic analysis of coals - Part 3: Method of determining maceral group composition
• ISO 7404-5:2009 Methods for the petrographic analysis of coals - Part 5: Method of determining microscopically the reflectance of vitrinite

BS ISO 7404-4:2017 history

• 2017 BS ISO 7404-4:2017 Methods for the petrographic analysis of coals. Method of determining microlithotype, carbominerite and minerite composition
• 1970 BS ISO 7404-4:2016 Methods for the petrographic analysis of coals. Method of determining microlithotype, carbominerite and minerite composition
• 1990 BS 6127-4:1990 Petrographic analysis of bituminous coal and anthracite - Method of determining microlithotype, carbominerite and minerite composition

BS ISO 7404-4:2017 Methods for the petrographic analysis of coals. Method of determining microlithotype, carbominerite and minerite composition has been changed from BS 6127-4:1990 Petrographic analysis of bituminous coal and anthracite - Method of determining microlithotype, carbominerite and minerite composition.