KS E ISO 7404-4-2023
Methods for the petrographic analysis of coals — Part 4: Method of determining microlithotype, carbominerite and minerite composition

Standard No.

KS E ISO 7404-4-2023

Release Date

2023

Published By

Korean Agency for Technology and Standards (KATS)

Latest

KS E ISO 7404-4-2023

KS E ISO 7404-4-2023 history

• 2023 KS E ISO 7404-4-2023 Methods for the petrographic analysis of coals — Part 4: Method of determining microlithotype, carbominerite and minerite composition
• 2018 KS E ISO 7404-4:2018 Methods for the petrographic analysis of coals — Part 4: Method of determining microlithotype, carbominerite and minerite composition
• 2003 KS E ISO 7404-4:2003 Methods for the petrographic analysis of bituminous coal and anthracite-Part 4 : Method of determining microlithotype, carbominerite and minerite composition