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ASTM D2427-06(2019)

Current Revision

Standard Test Method for Determination of C<inf>2</inf> through C<inf>5</inf> Hydrocarbons in Gasolines by Gas Chromatography (Withdrawn 2023)

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1.1 This test method covers the determination of the two (C2) through five (C5-) carbon paraffins and mono-olefins in gasolines. The concentrations by volume or mass (weight) of the following components are generally reported:

1.1.1 Ethylene plus ethane

1.1.2 Propane

1.1.3 Propylene

1.1.4 Isobutane

1.1.5 n-Butane

1.1.6 Butene-1 plus isobutylene

1.1.7 trans-Butene-2

1.1.8 cis-Butene-2

1.1.9 Isopentane

1.1.10 3-Methylbutene-1

1.1.11 n-Pentane

1.1.12 Pentene-1

1.1.13 2-Methylbutene-1

1.1.14 trans-Pentene-2

1.1.15 cis-Pentene-2

1.1.16 2-Methylbutene-2

1.2 This test method does not cover the determination of cyclic olefins, diolefins, or acetylenes. These are usually minor components in finished gasolines.

1.3 Samples to be analyzed should not contain significant amounts of material boiling lower than ethylene.

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

1.4.1 Exception—Alternative units, in common usage, are also provided to improve the clarity and aid the user of this test method.

1.5 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.

1.6 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 In hydrocarbon type analyses of gasolines, highly volatile fuels can need to be stabilized by depentanization (Test Method D2001) prior to analysis. A knowledge of the composition of light hydrocarbons in the overhead from the depentanization process is useful in converting analyses of the depentanized fraction to a total sample basis.

SDO ASTM: ASTM International
Document Number D2427
Publication Date Dec. 1, 2019
Language en - English
Page Count 7
Revision Level 06(2019)
Supercedes
Committee D02.04.0L
Publish Date Document Id Type View
Dec. 1, 2019 D2427-06R19 Revision
Nov. 1, 2006 D2427-06 Revision
Oct. 1, 2015 D2427-06R15 Reaffirmation
May 1, 2011 D2427-06R11 Reaffirmation
Oct. 15, 1992 D2427-92R01 Reaffirmation
Oct. 15, 1992 D2427-92R96 Reaffirmation