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ASTM D2013-03

Historical Revision

Standard Practice of Preparing Coal Samples for Analysis

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1.1 This practice covers the reduction and division of gross or divided samples, and the preparation of composite samples, up to and including the individual portions for laboratory analysis.

1.2 Reduction and division procedures are prescribed for coals of the following groups:

1.2.1 Group Aincludes coals that have been cleaned in all sizes.

1.2.2 Group Bincludes all other coals. Unknown coals are to be considered under Group B.

1.2.3 Group A allows smaller weight laboratory samples to be retained than Group B. These lower weights may be used for particular coals if they have been shown, by using the procedures of Annex A1.2, to give a sample preparation and analysis variance which is no more than 20 % of the total analysis variance.

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.

1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are provided for information purposes only.


SDO ASTM: ASTM International
Document Number D2013
Publication Date Dec. 1, 2003
Language en - English
Page Count 11
Revision Level 03
Supercedes
Committee D05.23
Publish Date Document Id Type View
June 1, 2007 D2013-07 Revision
Nov. 1, 2004 D2013-04 Revision
Dec. 1, 2003 D2013-03 Revision
Nov. 10, 2001 D2013-01 Revision
Nov. 10, 2001 D2013-00AE01 Revision
Nov. 10, 2001 D2013-00A Revision
Nov. 10, 2001 D2013-00 Revision
Not Available D2013-86R94 Revision
Not Available D2013-72 Revision