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ASTM International - ASTM D5263-21

Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction

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Organization: ASTM International
Publication Date: 1 December 2021
Status: active
Page Count: 3
ICS Code (Coals): 73.040
significance And Use:

5.1 This test method is a relative measure of the degree of oxidation present in coal. It does not determine the quantitative amount of oxidized coal present. It is only intended to serve as a... View More

scope:

1.1 This colorimetric test method describes the determination of the relative degree of oxidation by alkali extraction of coals that are high volatile A bituminous to low volatile bituminous in rank.

1.2 This test cannot be sensitive to thermally oxidized coal. It is intended for coals that may be oxidized as a result of weathering.

1.3 Units-The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.4 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.

1.5 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.

Document History

ASTM D5263-21
December 1, 2021
Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction
1.1 This colorimetric test method describes the determination of the relative degree of oxidation by alkali extraction of coals that are high volatile A bituminous to low volatile bituminous in rank....
January 1, 2015
Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction
1.1 This colorimetric test method describes the determination of the relative degree of oxidation by alkali extraction of coals that are high volatile A bituminous to low volatile bituminous in rank....
February 1, 2008
Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction
This test method is a relative measure of the degree of oxidation present in coal. It does not determine the quantitative amount of oxidized coal present. It is only intended to serve as a guide to...
February 1, 2008
Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction
This test method is a relative measure of the degree of oxidation present in coal. It does not determine the quantitative amount of oxidized coal present. It is only intended to serve as a guide to...
August 15, 1993
Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction
1.1 This colorimetric method describes the determination of the relative degree of oxidation by alkali extraction of coals that are high volatile A bituminous to low volatile bituminous in rank. 1.2...
August 15, 1993
Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction
This test method is a relative measure of the degree of oxidation present in coal. It does not determine the quantitative amount of oxidized coal present. It is only intended to serve as a guide to...
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