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BS EN 14103:2020

BS EN 14103:2020

$102.76

Fat and oil derivatives. Fatty Acid Methyl Esters (FAME). Determination of ester and linolenic acid methyl ester contents

Published By Publication Date Number of Pages
BSI 2020 22
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The purpose of this document is to describe a procedure for the determination of the ester content in fatty acid methyl esters (FAME) intended for incorporation into diesel oil. It also allows determining the linolenic acid methyl ester content. It allows verifying that the ester content of FAME is greater than 90 % (m/m) and that the linolenic acid methyl ester content is between 1 % (m/m) and 15 % (m/m).

The precision was established using FAMEs with an ester content of 95 % (m/m) and 100 % (m/m) only, thus covering the range of the limit value. The method is also suitable outside of this range; however, precision for lower concentrations is subject to further work.

This method is suitable for FAME which contains methyl esters between C6 and C24.

NOTE 1

For the purposes of this document, the term “% ( m/ m)” is used to represent the mass fractions.

This method was elaborated for FAME samples from usual raw material. For FAME sample from unidentified raw material, a solution of the test sample is prepared without any internal standard addition, in order to verify the absence of natural nonadecanoic acid methyl ester or other unknown substances co-eluting with the IS.

NOTE 2

The calculation method of the pattern of fatty acid methyl esters is given in Annex C.

WARNING

The use of this method may involve hazardous equipment, materials and operations. This method does not purport to address to all of the safety problems associated with its use, but it is the responsibility of the user to search and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
7 5 Reagents
6 Apparatus
7 Sampling
8 Procedure
8.1 Operating conditions
8 8.2 Internal standard GC purity determination
8.3 FAME sample preparation and analysis
9 8.4 Identification
9 Calculation
9.1 Determination of ester content
12 9.2 Determination of linolenic acid methyl ester
9.3 Expression of results
10 Precision
10.1 General
10.2 Repeatability
13 10.3 Reproducibility
11 Test report
14 Annex A (informative)Chromatograms of FAME samples – Determination of ester content and linolenic acid methyl ester content – Summary of the analytical conditions
18 Annex B (informative)Results of an interlaboratory trial
20 Annex C (informative)Calculation of the pattern of fatty acid methyl esters

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BS EN 14103:2020
$102.76