Standard Practice for
Polishing and Etching Coal Samples for Microscopical
Analysis by Reflected Light1
This standard is issued under the fixed designation D 5671; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
click below Astm D 5671 – 95 (Reapproved 2001) pdf free download
click here Astm D 5670 – 95 (Reapproved 2000) pdf free download