ASTM-D2798 2021(Redline)

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D2798-21 Standard Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal (Redline)

Published By	Publication Date	Number of Pages
ASTM	2021	9

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Categories: 71.060.10 - Chemical elements, ASTM

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Description

ASTM D2798-21

Redline Standard: Standard Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal

ASTM D2798

Scope

1.1 This test method covers the microscopical determination of both the mean maximum and mean random reflectances measured in oil of polished surfaces of vitrinite and other macerals present in coals ranging in rank from lignite to anthracite. This test method can be used to determine the reflectance of other macerals.

1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

coal; maceral; microscopy; rank; reflectance; vitrinite;

ICS Code

ICS Number Code 71.060.10 (Chemical elements)

DOI: 10.1520/D2798-21

Additional information

Standard Title	D2798-21 Standard Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal (Redline)
Published Code	ASTM
Publication Date	2021
Pages Count	9
ICS Codes	71.060.10 - Chemical elements