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Standard Test Method for Total Olefins in Spark-ignition Engine Fuels by Multidimensional Gas Chromatography
Automatische name übersetzung:
Standard Test Method for Gesamt Olefine in Otto-Motor Fuels von Multidimensional Gaschromatographie
NORM herausgegeben am 1.10.2013
Bezeichnung normen: ASTM D6296-98(2013)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.10.2013
SKU: NS-34557
Zahl der Seiten: 8
Gewicht ca.: 24 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
gas chromatography, gasoline, multidimensional gas chromatography, olefins, spark-ignition engine fuels, ICS Number Code 71.040.50 (Physicochemical methods of analysis), 75.160.20 (Liquid fuels)
Significance and Use | ||||||||||
5.1 The quantitative determination of olefins in spark-ignition engine fuels is required to comply with government regulations. 5.2 Knowledge of the total olefin content provides a means to monitor the efficiency of catalytic cracking processes. 5.3 This test method provides better precision for olefin content than Test Method D1319. It also provides data in a much shorter time, approximately 20 min following calibration, and maximizes automation to reduce operator labor. 5.4 This test method is not applicable to M85 or E85 fuels, which contain 85 % methanol and ethanol, respectively. |
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1. Scope | ||||||||||
1.1 This test method provides for the quantitative determination of total olefins in the C1.2 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 C1.5 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. |
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2. Referenced Documents | ||||||||||
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Historisch
1.6.2014
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1.8.2012
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1.1.2014
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1.10.2010
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1.5.2011
Historisch
1.8.2008
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