Standard Historical Last Updated: Oct 21, 2016 Track Document
ASTM D3997/D3997M-97(2009)

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

Standard Practice for Preparing Coke Samples for Microscopical Analysis by Reflected Light
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Significance and Use

Briquettes of granular coke prepared in accordance with the laboratory procedures of this practice will have flat, scratch-free surfaces suitable for examination with a microscope using reflected light illumination. The polished surface of briquettes prepared using this practice will contain particles representative of the original gross sample.

Samples prepared by this practice are used for microscopical determination of the textural components in coke (see Test Method D5061).


1.1 This practice covers laboratory procedures for the preparation of granular samples of coke for examination with a reflected light microscope. The samples prepared are used for identifying and quantifying the textural components in coke. This practice does not apply to the preparation of oriented lump specimens of coke for structural analysis.

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 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.

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Book of Standards Volume: 05.06
Developed by Subcommittee: D05.28
Pages: 3
DOI: 10.1520/D3997_D3997M-97R09
ICS Code: 75.160.10