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ASTM D 2013/D2013M : 2018

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Preparing Coal Samples for Analysis
Superseded date

23-05-2020

Published date

01-09-2018

1.1This practice2 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.

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

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

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

1.2.3Group 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 A1.2, to give a sample preparation and analysis variance which is no more than 20 % of the total analysis variance.

1.3The 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 nonconformance with the standard.

1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 05
DocumentType
Standard Practice
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 3180 : 2015 Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
ASTM D 7430 : 2016 Standard Practice for Mechanical Sampling of Coal
ASTM D 3174 : 2000 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 7430 : 2016 : REV A Standard Practice for Mechanical Sampling of Coal
ASTM D 3174 : 2012 : R2018 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 7430 : 2017 Standard Practice for Mechanical Sampling of Coal
ASTM D 4749 : 1987 : R1994 : EDT 1 Standard Test Method for Performing the Sieve Analysis of Coal and Designating Coal Size
ASTM D 7430 : 2016 : REV B Standard Practice for Mechanical Sampling of Coal
ASTM D 4749 : 1987 : R2012 Standard Test Method for Performing the Sieve Analysis of Coal and Designating Coal Size
ASTM D 7430 : 2015 : REV A Standard Practice for Mechanical Sampling of Coal
ASTM D 7430 : 2015 Standard Practice for Mechanical Sampling of Coal
ASTM D 7430 : 2016 : REV B : EDT 1 Standard Practice for Mechanical Sampling of Coal
ASTM D 7430 : 2008 Standard Practice for Mechanical Sampling of Coal
ASTM D 7430 : 2018 Standard Practice for Mechanical Sampling of Coal

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