ASTM D3172-13(2021)e1
(Practice)Standard Practice for Proximate Analysis of Coal and Coke
Standard Practice for Proximate Analysis of Coal and Coke
SIGNIFICANCE AND USE
4.1 Test methods, as herein described, can be used to establish the rank of coals, show the ratio of combustible to incombustible constituents, provide the basis for buying and selling, and evaluate for beneficiation or for other purposes.
SCOPE
1.1 This practice covers the determination of moisture, volatile matter, and ash and the calculation of fixed carbon on coals and cokes sampled and prepared by prescribed methods and analyzed according to ASTM established procedures.
1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.3 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.
General Information
- Status
- Published
- Publication Date
- 31-Mar-2021
- Technical Committee
- D05 - Coal and Coke
- Drafting Committee
- D05.21 - Methods of Analysis
Relations
- Effective Date
- 01-Apr-2024
- Effective Date
- 01-Mar-2024
- Effective Date
- 01-Dec-2023
- Refers
ASTM D3175-20 - Standard Test Method for Volatile Matter in the Analysis Sample of Coal and Coke - Effective Date
- 01-Feb-2020
- Effective Date
- 01-Dec-2019
- Effective Date
- 01-Jun-2019
- Refers
ASTM D3175-18 - Standard Test Method for Volatile Matter in the Analysis Sample of Coal and Coke - Effective Date
- 01-Dec-2018
- Effective Date
- 01-Nov-2018
- Effective Date
- 15-Apr-2018
- Effective Date
- 01-Mar-2018
- Effective Date
- 01-Feb-2018
- Effective Date
- 01-Nov-2017
- Effective Date
- 01-Nov-2017
- Effective Date
- 15-Oct-2017
- Effective Date
- 15-Oct-2017
Overview
The ASTM D3172-13(2021)e1 – Standard Practice for Proximate Analysis of Coal and Coke outlines standardized procedures for determining the moisture, volatile matter, and ash content of coal and coke. It also details the calculation of fixed carbon using established ASTM methods. This standard enables laboratories, industries, and regulatory bodies worldwide to reliably evaluate the composition and quality of coal and coke samples using consistent and internationally recognized test methods.
The proximate analysis is an essential tool for classifying coal by rank, assessing the ratio of combustible to incombustible components, and making informed decisions for trade, processing, and beneficiation. Following ASTM D3172 improves the comparability and reliability of analysis results across the global coal and coke industries.
Key Topics
- Sample Preparation: Describes methods for sampling and preparing both coal and coke prior to proximate analysis, following related ASTM standards to ensure consistency and representativeness.
- Moisture Determination: Specifies test procedures to accurately determine the moisture present in the sample.
- Ash Content: Details the method for measuring the inorganic residue remaining after combustion.
- Volatile Matter: Outlines the test for quantifying materials released as volatile gases upon heating the sample.
- Fixed Carbon Calculation: Instructs on calculating the fixed carbon fraction by subtracting measured percentages of moisture, ash, and volatile matter from 100%.
- Applicability: Can be used for various purposes including classification by rank, commercial transactions, and evaluation for beneficiation.
Applications
ASTM D3172-13(2021)e1 is widely used in the coal, coke, and energy sectors, as well as research and regulatory environments. Its main applications include:
- Coal Rank Classification: Determining the quality and grade of coal for resource evaluation, exploration, and mining.
- Commercial Transactions: Establishing a scientific basis for the buying, selling, and trading of coal and coke by providing a standard method of analysis.
- Process Optimization: Assisting in decisions regarding coal beneficiation and utilization by defining key compositional attributes.
- Regulatory Compliance: Ensuring that sample analyses meet national and international quality control and laboratory accreditation requirements.
- Environmental Assessment: Supplying data for emissions modeling, environmental reporting, and compliance with regulations regarding fuel combustion by-products.
Adhering to this standard ensures that test results are comparable and reliable, fostering confidence among producers, suppliers, buyers, and regulators.
Related Standards
Several key ASTM standards are referenced or closely related to ASTM D3172, supporting various stages of sample collection, preparation, and detailed analysis:
- ASTM D121: Terminology of Coal and Coke
- ASTM D346: Collection and Preparation of Coke Samples for Laboratory Analysis
- ASTM D388: Classification of Coals by Rank
- ASTM D2013/D2013M: Preparing Coal Samples for Analysis
- ASTM D2234/D2234M: Collection of a Gross Sample of Coal
- ASTM D3173: Determination of Moisture in Coal and Coke Analysis Samples
- ASTM D3174: Determination of Ash in Coal and Coke
- ASTM D3175: Determination of Volatile Matter in Coal and Coke
- ASTM D5192: Collection of Coal Samples from Core
- ASTM D6883: Manual Sampling of Stationary Coal from Transportation or Stockpiles
- ASTM D6609: Part-Stream Sampling of Coal
- ASTM D7430: Mechanical Sampling of Coal
- ASTM D7582: Proximate Analysis by Macro Thermogravimetric Analysis
Adoption of these and related standards supports robust quality control, traceability, and harmonization of coal and coke analysis worldwide.
Keywords: coal analysis, coke analysis, proximate analysis, ASTM D3172, coal quality, ash content, volatile matter, moisture analysis, fixed carbon, coal rank classification, coal testing standards
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Frequently Asked Questions
ASTM D3172-13(2021)e1 is a standard published by ASTM International. Its full title is "Standard Practice for Proximate Analysis of Coal and Coke". This standard covers: SIGNIFICANCE AND USE 4.1 Test methods, as herein described, can be used to establish the rank of coals, show the ratio of combustible to incombustible constituents, provide the basis for buying and selling, and evaluate for beneficiation or for other purposes. SCOPE 1.1 This practice covers the determination of moisture, volatile matter, and ash and the calculation of fixed carbon on coals and cokes sampled and prepared by prescribed methods and analyzed according to ASTM established procedures. 1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 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.
SIGNIFICANCE AND USE 4.1 Test methods, as herein described, can be used to establish the rank of coals, show the ratio of combustible to incombustible constituents, provide the basis for buying and selling, and evaluate for beneficiation or for other purposes. SCOPE 1.1 This practice covers the determination of moisture, volatile matter, and ash and the calculation of fixed carbon on coals and cokes sampled and prepared by prescribed methods and analyzed according to ASTM established procedures. 1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 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.
ASTM D3172-13(2021)e1 is classified under the following ICS (International Classification for Standards) categories: 75.160.10 - Solid fuels. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D3172-13(2021)e1 has the following relationships with other standards: It is inter standard links to ASTM D7582-24, ASTM D121-15(2024), ASTM D7582-15(2023), ASTM D3175-20, ASTM D2234/D2234M-19, ASTM D388-19, ASTM D3175-18, ASTM D388-18a, ASTM D7430-18a, ASTM D7430-18, ASTM D388-18, ASTM D7430-17, ASTM D388-17a, ASTM D6609-17, ASTM D6883-17. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D3172-13(2021)e1 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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.
´1
Designation: D3172 − 13 (Reapproved 2021)
Standard Practice for
Proximate Analysis of Coal and Coke
This standard is issued under the fixed designation D3172; 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.
ε NOTE—Editorial corrections were made throughout in May 2021.
1. Scope Sample of Coal and Coke
D4596 Practice for Collection of Channel Samples of Coal
1.1 This practice covers the determination of moisture,
in a Mine
volatile matter, and ash and the calculation of fixed carbon on
D5192 Practice for Collection of Coal Samples from Core
coals and cokes sampled and prepared by prescribed methods
D6883 Practice for Manual Sampling of Stationary Coal
and analyzed according to ASTM established procedures.
from Railroad Cars, Barges, Trucks, or Stockpiles
1.2 This standard does not purport to address all of the
D6609 Guide for Part-Stream Sampling of Coal
safety concerns, if any, associated with its use. It is the
D7430 Practice for Mechanical Sampling of Coal
responsibility of the user of this standard to establish appro-
D7582 Test Methods for Proximate Analysis of Coal and
priate safety, health, and environmental practices and deter-
Coke by Macro Thermogravimetric Analysis
mine the applicability of regulatory limitations prior to use.
1.3 This international standard was developed in accor- 3. Terminology
dance with internationally recognized principles on standard-
3.1 Definitions:
ization established in the Decision on Principles for the
3.1.1 proximate analysis of coal and coke—an assay of the
Development of International Standards, Guides and Recom-
moisture, ash, and volatile matter as determined by prescribed
mendations issued by the World Trade Organization Technical
methods and the calculation of fixed carbon by difference.
Barriers to Trade (TBT) Committee.
Other constituents such as sulfur and characteristics such as
gross calorific value are not included.
2. Referenced Documents
3.1.2 For additional definitions of terms used in this
2.1 ASTM Standards:
practice, refer to Terminology D121.
D121 Terminology of Coal and Coke
D346 Practice for Collection and Preparation of Coke
4. Significance and Use
Samples for Laboratory Analysis
4.1 Test methods, as herein described, can be used to
D388 Classification of Coals by Rank
establish the rank of coals, show the ratio of combustible to
D2013/D2013M Practice for Preparing Coal Samples for
incombustible constituents, provide the basis for buying and
Analysis
selling, and evaluate for beneficiation or for other purposes.
D2234/D2234M Practice for Collection of a Gross Sample
of Coal
5. Sampling
D3173 Test Method for Moisture in the Analysis Sample of
5.1 If the proximate analysis is to be used for classification
Coal and Coke
of coal by rank, coal sample collection shall be in accordance
D3174 Test Method for Ash in the Analysis Sample of Coal
with Classification D388. Otherwise, coal sample collection
and Coke from Coal
shall be done in accordance with any of the following Guides
D3175 Test Method for Volatile Matter in th
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