ASTM-D2797 › Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light
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Scope
1.1 This practice covers laboratory procedures for the preparation of granular samples of bituminous coal and anthracite samples for examination with a microscope using reflected light illumination. It does not apply to the preparation of oriented blocks of coal.
1.2 The values stated in SI units shall be considered as standard; and inch-pound units shall be considered as approximate equivalents.
1.3 This standard does not purport to address the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
Anthracite; Coal and coal products-bituminous/anthracite; Microscopic examination-coal; Reflectance and reflectivity-coal; Specimen preparation (for testing)-coal/coke; preparing (bituminous/anthracite) coal samples for microscopical; analysis by reflected light, practice; ICS Number Code 73.040 (Coals)
To find similar documents by ASTM Volume:
05.06 (Gaseous Fuels; Coal and Coke)
To find similar documents by classification:
73.040 (Coals Including lignites Coal products, see 75.160.10)
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Document Number
ASTM-D2797_D2797M-21A
Revision Level
2021A EDITION
Status
Current
Modification Type
Reapproval
Publication Date
Sept. 15, 2021
Document Type
Practice
Page Count
5 pages
Committee Number
D05.28