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Description of ASTM-D6296 2017ASTM D6296-98-Reapproved2017Historical Standard: Standard Test Method for Total Olefins in Spark-ignition Engine Fuels by Multidimensional Gas ChromatographyASTM D6296Scope 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 liquid-volume % or mass % 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 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. Keywords gas chromatography; gasoline; multidimensional gas chromatography; olefins; spark-ignition engine fuels; ICS Code ICS Number Code 71.040.50 (Physicochemical methods of analysis) DOI: 10.1520/D6296-98R17 This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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