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ASTM D2799-05a

Historical Revision

Standard Test Method for Microscopical Determination of the Maceral Composition of Coal

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1.1 This test method covers the equipment and techniques used for determining the physical composition of a coal sample in terms of volume percent of the organic components and of mineral matter, if desired.

1.2 The term weight is temporarily used in this test method because of established trade usage. The word is used to mean both force and mass and care must be taken to determine which is meant in each case (the SI unit for force is newton and for mass, kilogram).

1.3This 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.


The volume percent of physical components of coal is used as an aid in coal seam correlation and in the characterization of coals for their use in carbonization, gasification, liquefaction, and combustion processes.

This test method is for use in scientific and industrial research, not compliance or referee tests.

SDO ASTM: ASTM International
Document Number D2799
Publication Date Sept. 15, 2005
Language en - English
Page Count 4
Revision Level 05a
Supercedes
Committee D05.28
Publish Date Document Id Type View
Feb. 1, 2023 D2799-23 Revision
Dec. 1, 2021 D2799-21 Revision
Jan. 1, 2013 D2799-13 Revision
Sept. 1, 2012 D2799-12 Revision
April 1, 2011 D2799-11 Revision
Sept. 1, 2010 D2799-10 Revision
Sept. 1, 2009 D2799-09 Revision
Sept. 15, 2005 D2799-05A Revision
May 1, 2005 D2799-05 Revision
April 10, 1999 D2799-99 Revision
April 1, 2021 D2799-13R21E01 Reaffirmation