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ASTM D5263-93e1

Historical Revision

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

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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 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 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 and health practices and determine the applicability of regulatory limitations prior to use.

1.4 The values stated in SI units shall be regarded as standard.


SDO ASTM: ASTM International
Document Number D5263
Publication Date Aug. 15, 1993
Language en - English
Page Count 3
Revision Level 93e1
Supercedes
Committee D05.15
Publish Date Document Id Type View
March 1, 2023 D5263-23 Revision
Dec. 1, 2021 D5263-21 Revision
Jan. 1, 2015 D5263-15 Revision
Feb. 1, 2008 D5263-93R08E01 Revision
Aug. 15, 1993 D5263-93E01 Revision
Aug. 15, 1993 D5263-93R01 Revision
Feb. 1, 2008 D5263-93R08 Reaffirmation