ASTM D 2268 : 1993 : R1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
Hardcopy , PDF
11-11-2014
English
07-10-1998
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 05.01, 2018 Defines 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.
| Committee |
D 02
|
| DocumentType |
Test Method
|
| Pages |
5
|
| ProductNote |
Reconfirmed 1998
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy |
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 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. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety problems, 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. For specific precautionary statements see notes 1-3.
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