ASTM International - ASTM D6550-10

Standard Test Method for Determination of Olefin Content of Gasolines by Supercritical-Fluid Chromatography

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Organization:	ASTM International
Publication Date:	1 October 2010
Status:	inactive
Page Count:	8
ICS Code (Liquid and solid fuel burners):	27.060.10

significance And Use:

Gasoline-range olefinic hydrocarbons have been demonstrated to contribute to photochemical reactions in the atmosphere, which result in the formation of photochemical smog in susceptible urban... View More

scope:

1.1 This test method covers the determination of the total amount of olefins in blended motor gasolines and gasoline blending stocks by supercritical-fluid chromatography (SFC). Results are expressed in terms of mass % olefins. The application range is from 1 to 25 mass % total olefins.

1.2 This test method can be used for analysis of commercial gasolines, including those containing varying levels of oxygenates, such as methyl tert/butyl ether (MTBE), diisopropyl ether (DIPE), methyl tert/amyl ether (TAME), and ethanol, without interference.

Note 1-This test method has not been designed for the determination of the total amounts of saturates, aromatics, and oxygenates.

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

1.4 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.