ASTM D 7963 : 2014

Name: ASTM D 7963 : 2014
Brand: ASTM
Price: 62.61 GBP

Superseded

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Standard Test Method for Determination of Contamination Level of Fatty Acid Methyl Esters in Middle Distillate and Residual Fuels Using Flow Analysis by Fourier Transform Infrared Spectroscopy—Rapid Screening Method

Available format(s)

Hardcopy , PDF

Superseded date

04-07-2019

Language(s)

English

Published date

01-10-2014

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 05.05, 2018 Defines a rapid screening method using flow analysis by Fourier Transform Infrared (FA-FTIR) spectroscopy with partial least squares (PLS) processing for the quantitative determination of the fatty acid methyl ester (FAME) contamination of middle distillates, in the range of 20 mg/kg to 1000 mg/kg, and of middle distillates and residual fuels, following dilution, for levels above 0.1%.

1.1This test method specifies a rapid screening method using flow analysis by Fourier Transform Infrared (FA-FTIR) spectroscopy with partial least squares (PLS) processing for the quantitative determination of the fatty acid methyl ester (FAME) contamination of middle distillates, in the range of 20 mg/kg to 1000 mg/kg, and of middle distillates and residual fuels, following dilution, for levels above 0.1 %.

Note 1:Annex A2 describes a dilution procedure to significantly expand the measurement range above 1000 mg/kg for distillates and to enable measurement of residual oils

Note 2:This test method detects all FAME components, with peak IR absorbance at approximately 1749 cm^-1 and C₈ to C₂₂ molecules, as specified in standards such as D6751 and EN 14214. The accuracy of the test method is based on the molecular mass of C₁₆ to C₁₈ FAME species; the presence of other FAME species with different molecular masses could affect the accuracy.

Note 3:Additives such as antistatic agents, antioxidants, and corrosion inhibitors are measured with the FAME by the FTIR spectrometer. However any potential interference effects of these additives are eliminated by the flow analysis processing.

Note 4:Precision for middle distillate and residual fuel is provided in preliminary form at this time, details are given in Appendix X1.

Note 5:The scope of this test method does not include aviation turbine fuel which is addressed by Test Method D7797.

1.2All stated values are in SI units.

1.3This 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.

Committee	D 02
DocumentType	Test Method
Pages	8
PublisherName	American Society for Testing and Materials
Status	Superseded
SupersededBy	ASTM D 7963 : 2019

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