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ASTM D 7569/D7569M : 2010 : R2015 : EDT 1

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Determination of Gas Content of Coal—Direct Desorption Method
Available format(s)

Hardcopy , PDF

Superseded date

23-12-2023

Language(s)

English

Published date

20-02-2015

This practice describes methods for the direct determination of the gas content of coal by desorption using samples obtained by drill coring methods from the surface.

1.1This practice describes methods for the direct determination of the gas content of coal by desorption using samples obtained by drill coring methods from the surface. It sets out guidelines for the equipment construction, sample preparation and testing procedure, and method of calculation.

1.2Indirect methods for the determination of the gas content of coal (not covered in this practice) are based on either the gas absorption characteristics of coal under a given pressure and temperature condition or other empirical data that relate the gas content of coal to such other parameters as coal rank, depth of cover, or gas emission rate.

1.3This practice covers the following two direct methods, which vary only in the time allowed for the gas to desorb from the core, or sidewall core, before final crushing:

1.3.1The slow desorption method in which volumetric readings of gas content are taken frequently (for example, every 10 to 15 min) during the first few hours, followed by hourly measurements for several hours, and then measurements on 24-h intervals until no or very little gas is being desorbed for an extended period of time.

1.3.2The fast desorption method in which after initial desorbed gas measurements to obtain data for lost gas calculations are taken, the canister is opened and the sample is transferred to the coal crusher. The remaining gas volume is measured on a crushed sample.

1.4This practice is confined to the direct method using core, or sidewall core obtained from drilling. The practice can be applied to drill cuttings samples; however, the use of cuttings is not recommended because the results may be misleading and are difficult to compare to the results obtained from core desorption. The interpretation of the results does not fall within the scope of the practice.

1.5Units—The values stated in either SI units or inch-pound units are to be regarded separately as the 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.

1.6This 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.

Committee
D 05
DevelopmentNote
Supersedes ASTM D 7569. (02/2015)
DocumentType
Standard Practice
Pages
12
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 5192 : 1991 Standard Practice for Collection of Coal Samples from Core
ASTM D 3173 : 2003 Standard Test Method for Moisture in the Analysis Sample of Coal and Coke
ASTM D 3172 : 2013 : R2021 : EDT 1 Standard Practice for Proximate Analysis of Coal and Coke
ASTM D 3173 : 2003 : R2008 Standard Test Method for Moisture in the Analysis Sample of Coal and Coke
ASTM D 3176 : 2015 : REDLINE Standard Practice for Ultimate Analysis of Coal and Coke
ASTM E 1272 : 2002 : R2007 Standard Specification for Laboratory Glass Graduated Cylinders
ASTM D 3172 : 1989 : R2002 Standard Practice for Proximate Analysis of Coal and Coke
ASTM D 2799 : 2010 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3174 : 2004 : R2010 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 3172 : 2013 Standard Practice for Proximate Analysis of Coal and Coke
ASTM D 3302 : 2007 : EDT 1 Standard Test Method for Total Moisture in Coal
ASTM D 2799 : 1999 Standard Test Method for Microscopical Determination of Volume Percent of Physical Components of Coal
ASTM D 5192 : 2009 Standard Practice for Collection of Coal Samples from Core
ASTM D 1412 : 2004 Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30°C
ASTM D 3172 : 2007 Standard Practice for Proximate Analysis of Coal and Coke
ASTM D 3180 : 2015 Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
ASTM D 5192 : 2007 Standard Practice for Collection of Coal Samples from Core
ASTM D 3176 : 1989 : R1997 : EDT 1 Standard Practice for Ultimate Analysis of Coal and Coke
ASTM D 2799 : 2021 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 2799 : 2013 : R2021 : EDT 1 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3176 : 2009 Standard Practice for Ultimate Analysis of Coal and Coke
ASTM E 1272 : 2002 Standard Specification for Laboratory Glass Graduated Cylinders
ASTM D 3302 : 2002 : REV A Standard Test Method for Total Moisture in Coal
AS 3980:2016 Determination of gas content of coal and carbonaceous material - Direct desorption method
ASTM E 1272 : 1995 : R1999 Standard Specification for Laboratory Glass Graduated Cylinders
ASTM D 3302 : 2002 Standard Test Method for Total Moisture in Coal
ASTM D 3174 : 2002 : EDT 1 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 1412 : 1999 Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30&#176C
ASTM E 1272 : 2002 : R2019 Standard Specification for Laboratory Glass Graduated Cylinders
ASTM D 3173 : 2000 Standard Test Method for Moisture in the Analysis Sample of Coal and Coke
ASTM D 3302 : 1991 Standard Test Method for Total Moisture in Coal
ASTM D 3174 : 2011 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 2799 : 2005 : REV A Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3172 : 2007 : REV A Standard Practice for Proximate Analysis of Coal and Coke
ASTM E 1272 : 2002 : R2012 Standard Specification for Laboratory Glass Graduated Cylinders
ASTM D 5192 : 1999 Standard Practice for Collection of Coal Samples from Core
ASTM D 2799 : 2011 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3174 : 2000 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 1412 : 2002 Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30&#176C
ASTM D 3172 : 2013 : REDLINE Standard Practice for Proximate Analysis of Coal and Coke
ASTM D 1412 : 2002 : REV A Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30&#176C
ASTM D 121 : 2015 : REDLINE Standard Terminology of Coal and Coke
ASTM D 1412 : 2003 Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30&#176C
ASTM D 3180 : 2007 Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
ASTM D 1412 : 1993 : R1997 Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30ûC
ASTM D 3174 : 2012 : R2018 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 2799 : 2005 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3174 : 2004 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 3176 : 2015 Standard Practice for Ultimate Analysis of Coal and Coke
ISO 6706:1981 Plastics laboratory ware Graduated measuring cylinders
ASTM D 2799 : 2009 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3302 : 2000 Standard Test Method for Total Moisture in Coal
ASTM D 3173 : 2011 Standard Test Method for Moisture in the Analysis Sample of Coal and Coke
ASTM D 2799 : 2023 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3176 : 1974 Standard Method for Ultimate Analysis Of Coal And Coke
ASTM D 5192 : 2009 : R2015 Standard Practice for Collection of Coal Samples from Core
ASTM D 3180 : 1989 : R1997 Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
DIN 12681:1998-03 PLASTICS LABORATORY WARE - GRADUATED MEASURING CYLINDERS
ASTM D 5192 : 2008 Standard Practice for Collection of Coal Samples from Core
ASTM D 3180 : 2015 : REDLINE Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
ASTM D 121 : 2000 : EDT 1 Standard Terminology of Coal and Coke
ASTM D 3302 : 2007 Standard Test Method for Total Moisture in Coal
ASTM D 3180 : 2012 Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
ASTM D 3176 : 1989 : R2002 Standard Practice for Ultimate Analysis of Coal and Coke
ASTM D 3174 : 2012 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 3174 : 2002 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
ASTM D 1412 : 2007 Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30°C
ASTM D 3302 : 2005 Standard Test Method for Total Moisture in Coal
ASTM D 121 : 2001 Standard Terminology of Coal and Coke
ASTM D 3302 : 2002 : REV A : EDT 1 Standard Test Method for Total Moisture in Coal
ASTM D 2799 : 2013 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3180 : 1989 : R2002 Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
ASTM D 3172 : 1989 : R1997 Standard Practice for Proximate Analysis of Coal and Coke
ASTM D 3173 : 2002 Standard Test Method for Moisture in the Analysis Sample of Coal and Coke
ASTM D 3302 : 2005 : EDT 1 Standard Test Method for Total Moisture in Coal
ASTM D 2799 : 2012 Standard Test Method for Microscopical Determination of the Maceral Composition of Coal
ASTM D 3173 : 1973 Standard Test Method for Moisture In The Analysis Sample Of Coal And Coke
ASTM D 3302 : 2007 : REV A Standard Test Method for Total Moisture in Coal
ASTM D 3302 : 2007 : REV A : EDT 1 Standard Test Method for Total Moisture in Coal

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