Standard Test Method for Determination of Fatty Acid Methyl Esters (FAME) in Aviation Turbine Fuel using Mid-Infrared Laser SpectroscopyName übersetzen
NORM herausgegeben am 1.11.2020
Bezeichnung normen: ASTM D8290-20
Ausgabedatum normen: 1.11.2020
Zahl der Seiten: 7
Gewicht ca.: 21 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
aviation turbine fuel, biodiesel in jet fuel, contamination, FAME, FAME in jet fuel, jet fuel, methyl esters, mid-infrared laser spectroscopy, QCL,
|Significance and Use|
5.1The present and growing international governmental requirements to add FAME (biodiesel, as specified in standards such as Specification and ) to diesel fuel has had the side effect of leading to potential FAME contamination of jet turbine fuel in multifuel transport facilities such as cargo tankers and pipelines. FAME has been added as an identified incident material to Table 3 of Specification in which a permitted level of contamination is specified.
5.2This test method has been developed for use in the supply chain by nonspecialized personnel to detect all kinds of FAME covering the range of 10mg/kg to 400mg/kg.
1.1This test method covers the quantification of the fatty acid methyl esters (FAME) content in aviation turbine fuel in the range of 10mg/kg to 400mg/kg by measuring infrared (IR) transmission before, during, and after FAME is converted to molecules that absorb in a different spectral region than FAME using a selective chemical reaction facilitated by a suitable catalyst.
Note 1:This test method detects all FAME components with peak IR absorbance at approximately 1749 cm-1 and CNote 2:Additives such as antistatic agents, antioxidants, and corrosion inhibitors are measured with the FAME by mid IR absorption. However, these additives do not contribute to the differential absorption spectrum used to quantify FAME, as they do not take part in the selective reaction.
1.2This test method has interim repeatability precision only, see Section for more information.
1.3UnitsThe values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4This 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. 1.5This 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.
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