ASTM D3176-24

This 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.
Designation: D3176 − 24
Standard Practice for
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Ultimate Analysis of Coal and Coke
This standard is issued under the fixed designation D3176; 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 D3174 Test Method for Ash in the Analysis Sample of Coal
and Coke from Coal
1.1 This practice covers the term ultimate analysis as it is
D3302 Test Method for Total Moisture in Coal
applied to the analysis of coal and coke. The information
D4239 Test Method for Sulfur in the Analysis Sample of
derived is intended for the general utilization by applicable
Coal and Coke Using High-Temperature Tube Furnace
industries, to provide the basis for evaluation, beneficiation, or
Combustion
for other purposes.
D4596 Practice for Collection of Channel Samples of Coal
1.2 The values stated in SI units are to be regarded as
in a Mine
standard. The values given in parentheses after SI units are
D5192 Practice for Collection of Coal Samples from Core
provided for information only and are not considered standard.
D5373 Test Methods for Determination of Carbon, Hydro-
1.2.1 All percentages are percent mass fractions.
gen and Nitrogen in Analysis Samples of Coal and Carbon
1.3 This standard does not purport to address all of the in Analysis Samples of Coal and Coke
safety concerns, if any, associated with its use. It is the
D6609 Guide for Part-Stream Sampling of Coal
responsibility of the user of this standard to establish appro- D6883 Practice for Manual Sampling of Stationary Coal
priate safety, health, and environmental practices and deter-
from Railroad Cars, Barges, Trucks, or Stockpiles
mine the applicability of regulatory limitations prior to use. D7430 Practice for Mechanical Sampling of Coal
1.4 This international standard was developed in accor-
D7582 Test Methods for Proximate Analysis of Coal and
dance with internationally recognized principles on standard- Coke by Macro Thermogravimetric Analysis
ization established in the Decision on Principles for the
3. Terminology
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
3.1 Definitions:
Barriers to Trade (TBT) Committee.
3.1.1 ultimate analysis—in the case of coal and coke, the
determination of carbon, hydrogen, nitrogen, and sulfur in the
2. Referenced Documents
material, as found in the gaseous products of its complete
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2.1 ASTM Standards:
combustion, the determination of ash in the material as a
D346 Practice for Collection and Preparation of Coke
whole, and the calculation of oxygen by difference.
Samples for Laboratory Analysis
NOTE 1—Moisture is not by definition a part of the ultimate analysis of
D2013 Practice for Preparing Coal Samples for Analysis
coal or coke but must be determined in order that analytical data may be
D2234/D2234M Practice for Collection of a Gross Sample
converted to bases other than that of the analysis sample.
of Coal
NOTE 2—Inasmuch as some coals contain mineral carbonates, and
D3172 Practice for Proximate Analysis of Coal and Coke
practically all contain clay or shale containing combined water, a part of
D3173 Test Method for Moisture in the Analysis Sample of the carbon, hydrogen, and oxygen found in the products of combustion
may arise from these mineral components.
Coal and Coke
4. Significance and Use
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This practice is under the jurisdiction of ASTM Committee D05 on Coal and
Coke and is the direct responsibility of Subcommittee D05.21 on Methods of
4.1 Summarizing the ash mass fraction and the mass frac-
Analysis.
tion of the organic constituents in a specific format under the
Current edition approved April 1, 2024. Published April 2024. Originally
heading, Ultimate Analysis, provides a convenient and uniform
approved in 1974. Last previous edition approved in 2023 as D3176 – 15 (2023).
DOI: 10.1520/D3176-24.
system for comparing coals or cokes. This tabulation used with
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
that of Proximate Analysis (Practice D3172) permits cursory
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
valuation of coals for use as fuel or in other carbonaceous
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. processes and of cokes for metallurgical purpose.
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