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ASTM D2797/D2797M-21

Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light

STANDARD published on 15.5.2021

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The information about the standard:

Designation standards: ASTM D2797/D2797M-21
Note: WITHDRAWN
Publication date standards: 15.5.2021
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

Annotation of standard text ASTM D2797/D2797M-21 :

Keywords:
binding material, coal, grinding, maceral, mold, polishing, rank, reflectance, sieve,, ICS Number Code 73.040 (Coals)