ASTM D121-09a

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D121 − 09a
StandardTerminology of
1
Coal and Coke
This standard is issued under the fixed designation D121; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D3172 Practice for Proximate Analysis of Coal and Coke
D3173 Test Method for Moisture in the Analysis Sample of
1.1 This terminology defines the technical terms used in
Coal and Coke
standards that are the responsibility of Committee D05 on Coal
D3174 Test Method forAsh in theAnalysis Sample of Coal
and Coke. The terms are used in:
and Coke from Coal
1.1.1 The sampling of coal and coke under conditions
D3175 Test Method for Volatile Matter in the Analysis
required for most commercial and technical purposes related to
Sample of Coal and Coke
coal and coke.
D3176 Practice for Ultimate Analysis of Coal and Coke
1.1.2 Bias and related statistical testing,
D3180 Practice for Calculating Coal and Coke Analyses
1.1.3 The description of coal, both visually in the field and
from As-Determined to Different Bases
microscopically in the laboratory,
D3302 Test Method for Total Moisture in Coal
1.1.4 Chemical and physical analyses of coal and coke,
1.1.5 Classification of coal, and D4371 Test Method for Determining the Washability Char-
acteristics of Coal
1.1.6 Certain other related practices and guides applicable
to the coal and coke industries. D4596 Practice for Collection of Channel Samples of Coal
in a Mine
2. Referenced Documents
D4749 Test Method for Performing the Sieve Analysis of
2
2.1 ASTM Standards: Coal and Designating Coal Size
D388 Classification of Coals by Rank D4916 PracticeforMechanicalAugerSampling(Withdrawn
3
D720 Test Method for Free-Swelling Index of Coal
2008)
D1412 Test Method for Equilibrium Moisture of Coal at 96
D5061 Test Method for Microscopical Determination of the
to 97 Percent Relative Humidity and 30°C
Textural Components of Metallurgical Coke
D1857 Test Method for Fusibility of Coal and Coke Ash
D5114 Test Method for Laboratory Froth Flotation of Coal
D2013 Practice for Preparing Coal Samples for Analysis
in a Mechanical Cell
D2234/D2234M Practice for Collection of a Gross Sample
D5192 Practice for Collection of Coal Samples from Core
of Coal
D5263 Test Method for Determining the Relative Degree of
3
D2361 Test Method for Chlorine in Coal (Withdrawn 2008)
Oxidation in Bituminous Coal by Alkali Extraction
D2795 Test Methods for Analysis of Coal and Coke Ash
D5515 Test Method for Determination of the Swelling
3
(Withdrawn 2001)
Properties of Bituminous Coal Using a Dilatometer
D2798 Test Method for Microscopical Determination of the
D5865 Test Method for Gross Calorific Value of Coal and
Vitrinite Reflectance of Coal
Coke
D2961 Test Method for Single-Stage Total Moisture Less
D6316 TestMethodforDeterminationofTotal,Combustible
than 15 % in Coal Reduced to 2.36-mm (No. 8 Sieve)
and Carbonate Carbon in Solid Residues from Coal and
Topsize
Coke
1
This terminology is under the jurisdiction of ASTM Committee D05 on Coal
3. Terminology
and Coke and is the direct responsibility of Subcommittee D05.24 on Quality
Assurance.
air-dried moisture—this term has been used inappropriately to
Current edition approved Oct. 1, 2009. Published October 2009. Originally
refer to both residual moisture and air-dry loss. Because of
approved in 1921. Last previous edition approved in 2009 as D121 – 09. DOI:
the potential for confusion, this term shall not be used.
10.1520/D0121-09A.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
air drying, n—a process of partial drying of coal to bring its
Standards volume information, refer to the standard’s Document Summary page on
moisture near to equilibrium with the atmosphere in the
the ASTM website.
room in which further reduction and division of the sample
3
The last approved version of this historical standard is referenced on
www.astm.org. will take place. D2013; D2234/D2234M
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D121 − 09a
air-dry loss, n— in coal, the loss in mass, expressed as a bed moisture—synonym for inherent moisture.
percentage, resulting from each air-drying stage or the sum
beehive coke—See beehive coke under coke.
of all sequential air-drying stages in which the results from
binder phase, n— as used in Test Method D5061,acontinuous
each stage are adjusted to the as-received basis.
solid carbon matrix formed during the thermoplastic defor-
DISCU
...