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About This Item
Full Description
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 either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
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.
Document History
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ASTM D2797/D2797M-21a
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Most Recent
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ASTM D2797/D2797M-21
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797/D2797M-20a
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797/D2797M-20
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797/D2797M-11a(2019)
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797/D2797M-11a
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797/D2797M-11
viewing
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797/D2797M-09
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797-07
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797-04
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version
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ASTM D2797-85(1999)
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light- Historical Version