ASTM-D2798 › Historical Revision Information
Standard Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal
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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 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 and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
coal; maceral; microscopy; rank; reflectance; vitrinite; ICS Number Code 71.060.10 (Chemical elements)
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05.06 (Gaseous Fuels; Coal and Coke)
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Document Number
ASTM-D2798-95
Revision Level
1995 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
July 15, 1995
Document Type
Test Method
Page Count
5 pages
Committee Number
D05.28