Standard Test Method for Determination of Fatty Acid Methyl Esters (FAME) in Aviation Turbine Fuel using Mid-Infrared Laser Spectroscopy

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

26-01-2023

Publisher

American Society for Testing and Materials

1.1This test method covers the quantification of the fatty acid methyl esters (FAME) content in aviation turbine fuel in the range of 10 mg/kg to 400 mg/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 C₈ to C₂₂ carbon chain length. The accuracy of this test method is based on the molecular weight of C₁₆ to C₁₈ FAME species. The presence of other FAME species with different molecular weights could affect the accuracy.

Note 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 15 for more information.

1.3Units—The 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. Specific warning statements are given in Section 8.

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.

Committee	D 02
DocumentType	Test Method
Pages	9
PublisherName	American Society for Testing and Materials
Status	Current
Supersedes	ASTM D 8290 : 2020

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