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ASTM International - ASTM D2268-93(2017)

Standard Test Method for Analysis of High-Purity n -Heptane and Iso octane by Capillary Gas Chromatography

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Organization: ASTM International
Publication Date: 1 October 2017
Status: inactive
Page Count: 4
ICS Code (Aliphatic hydrocarbons): 71.080.10
significance And Use:

3.1 This test method is used for specification analysis of high-purity n-heptane and isooctane, which are used as ASTM Knock Test Reference Fuels. Hydrocarbon impurities or... View More

scope:

1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n-heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference standards in determining the octane number of a fuel. Individual compounds present in concentrations of less than 0.01 % can be detected. Columns specified by this test method may not allow separation of all impurities in reference fuels.

1.2 The values stated in SI units are to be regarded as the standard.

1.2.1 Exception-The values given in parentheses are for information only.

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.

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.

Document History

December 1, 2021
Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n-heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference...
ASTM D2268-93(2017)
October 1, 2017
Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n-heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference...
October 1, 2013
Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n -heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference...
May 1, 2008
Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n-heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference...
May 10, 2003
Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
1.1 This test method provides for the analysis of high-purity (greater than 99.5 % by volume) n-heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference standards in...
July 10, 1998
Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
1.1 This test method provides for the analysis of high-purity (greater than 99.5% by volume) n-heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference standards in...
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