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ASTM D2798-05

Historical Revision

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

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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.

1.2This 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.


SDO ASTM: ASTM International
Document Number D2798
Publication Date May 1, 2005
Language en - English
Page Count 5
Revision Level 05
Supercedes
Committee D05.28
Publish Date Document Id Type View
May 15, 2021 D2798-21 Revision
Feb. 1, 2020 D2798-20 Revision
June 1, 2011 D2798-11A Revision
April 15, 2011 D2798-11 Revision
Sept. 1, 2009 D2798-09A Revision
April 1, 2009 D2798-09 Revision
Sept. 1, 2006 D2798-06 Revision
May 1, 2005 D2798-05 Revision
April 10, 1999 D2798-99 Revision
Nov. 1, 2019 D2798-11AR19 Reaffirmation
Oct. 1, 2004 D2798-99R04 Reaffirmation