ASTM-D6296 2008

$40.63

D6296-98(2008) Standard Test Method for Total Olefins in Spark-ignition Engine Fuels by Multidimensional Gas Chromatography

Published By	Publication Date	Number of Pages
ASTM	2008	8

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Categories: 71.040.50 - Physicochemical methods of analysis, ASTM

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Description

ASTM D6296-98-Reapproved2008

Historical Standard: Standard Test Method for Total Olefins in Spark-ignition Engine Fuels by Multidimensional Gas Chromatography

ASTM D6296

Scope

1.1 This test method provides for the quantitative determination of total olefins in the C₄ to C₁₀ range in spark-ignition engine fuels or related hydrocarbon streams, such as naphthas and cracked naphthas. Olefin concentrations in the range from 0.2 to 5.0 liquid-volume % or mass %, or both, can be determined directly on the as-received sample whereas olefins in samples containing higher concentrations are determined after appropriate sample dilution prior to analysis.

1.2 This test method is applicable to samples containing alcohols and ethers; however, samples containing greater than 15 % alcohol must be diluted. Samples containing greater than 5.0 % ether must also be diluted to the 5.0 % or less level, prior to analysis. When ethyl-tert-butylether is present, only olefins in the C₄ to C₉ range can be determined.

1.3 This test method can not be used to determine individual olefin components.

1.4 This test method can not be used to determine olefins having higher carbon numbers than C₁₀.

Note 1—Precision was determined only on samples containing MTBE and ethanol.

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

1.6 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.

Keywords

gas chromatography; gasoline; multidimensional gas chromatography; olefins; spark-ignition engine fuels; Automotive engine fuels/oils; Gas chromatography (GC)–petroleum products; Multi-dimensional gas chromatography; Olefins content; Total olefins

ICS Code

ICS Number Code 71.040.50 (Physicochemical methods of analysis)

DOI: 10.1520/D6296-98R08

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method
2	Significance and Use Interferences Apparatus FIG. 1
3	Reagents and Materials TABLE 1
4	Preparation and Setup of Apparatus TABLE 2 TABLE 3 TABLE 4
5	Procedure FIG. 2 TABLE 5
6	Calibration FIG. 3
7	Calculation FIG. 4
8	Report Precision and Bias Keywords

Additional information

Standard Title	D6296-98(2008) Standard Test Method for Total Olefins in Spark-ignition Engine Fuels by Multidimensional Gas Chromatography
Published Code	ASTM
Publication Date	2008
Pages Count	8
ICS Codes	71.040.50 - Physicochemical methods of analysis