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ASTM D2797-85(1999)

Historical Reaffirmation

Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light

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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.


SDO ASTM: ASTM International
Document Number D2797
Publication Date Sept. 10, 1999
Language en - English
Page Count 5
Revision Level 85(1999)
Supercedes
Committee D05.28
Publish Date Document Id Type View
Oct. 1, 2007 D2797-07 Revision
Oct. 1, 2004 D2797-04 Revision
Sept. 10, 1999 D2797-85R99 Reaffirmation