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ASTM D6347/D6347M-05

Current Revision

Standard Test Method for Determination of Bulk Density of Coal Using Nuclear Backscatter Depth Density Methods

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1.1 This test method covers procedures for determining the bulk density of coal using instrumentation that measures the relative backscatter of nuclear gamma radiation throughout the depth of the stockpile under test.

1.2 This procedure is applicable to all ranks of coal.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents: therefore, each system must be used independent of the other. Within the text, SI units are shown in brackets.

1.4 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. The equipment uses radioactive materials, which may be hazardous to the health of users, unless proper precautions are taken.


The measured mean bulk density of a coal stockpile is used with a measurement of the stockpile volume per Test Method D 6172. Procedures to determine the quantity of stockpiled coal. This measure of quantity is often used as a reference value for adjusting inventory records.

SDO ASTM: ASTM International
Document Number D6347
Publication Date June 1, 2005
Language en - English
Page Count 17
Revision Level 05
Supercedes
Committee D05.07
Publish Date Document Id Type View
June 1, 2005 D6347_D6347M-05 Revision
Sept. 10, 1999 D6347_D6347M-99 Revision
Nov. 1, 2018 D6347_D6347M-05R18 Reaffirmation
Sept. 1, 2010 D6347_D6347M-05R10 Reaffirmation