ASTM-D2797 Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light

ASTM-D2797 - 2021A EDITION - CURRENT
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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