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ASTM D2593-23

Current Revision

Standard Test Method for Butadiene Purity and Hydrocarbon Impurities by Gas Chromatography

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1.1 This test method covers the determination of butadiene-1,3 purity and impurities such as propane, propylene, isobutane, n-butane, butene-1, isobutylene, propadiene, trans-butene-2, cis-butene-2, butadiene-1,2, pentadiene-1,4, and, methyl, dimethyl, ethyl, and vinyl acetylene in polymerization grade butadiene by gas chromatography. Impurities including butadiene dimer, carbonyls, inhibitor, and residue are measured by appropriate ASTM procedures and the results used to normalize the component distribution obtained by chromatography.

Note 1: Other impurities present in commercial butadiene must be calibrated and analyzed. Other impurities were not tested in the cooperative work on this test method.

Note 2: This test method can be used to check for pentadiene-1,4 and other C5s instead of Test Method D1088.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 6.1 and 9.3.

1.3.1 The user is advised to obtain LPG safety training for the safe operation of this test method procedure and related activities.

1.4 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.


4.1 The trace hydrocarbon compounds listed can have an effect in the commercial use of butadiene. This test method is suitable for use in process quality control and in setting specifications.

SDO ASTM: ASTM International
Document Number D2593
Publication Date March 1, 2023
Language en - English
Page Count 7
Revision Level 23
Supercedes
Committee D02.D0.04
Publish Date Document Id Type View
March 1, 2023 D2593-23 Revision
Dec. 1, 2019 D2593-19 Revision
May 1, 2014 D2593-93R14 Reaffirmation
July 1, 2009 D2593-93R09 Reaffirmation
Nov. 1, 2004 D2593-93R04E01 Reaffirmation
July 10, 1998 D2593-93R98 Reaffirmation