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BS EN 17057:2018

$102.76

Automotive fuels and fat and oil derivates. Determination of saturated monoglycerides content in Fatty Acid Methyl Esters (FAME). Method by GC-FID

Published By Publication Date Number of Pages
BSI 2018 20
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This document specifies a method to determine the saturated monoglyceride content in Fatty Acid Methyl Esters (FAME). This method only identifies and quantifies the following saturated monoglycerides: 1-C16:0, 2-C16:0 and 1-C18:0. The total saturated monoglyceride content is calculated by the summation of the contents of these three saturated monoglycerides. The precision has been established for FAMEs having saturated monoglycerides in the (200 to 1 500) mg/kg range. This method is not suitable for FAME produced from or containing coconut and palm kernel oil derivatives because of overlapping of various peaks. NOTE This Standard determines only three saturated monoglycerides, i.e. 1-C16:0, 2-C16:0 and 1-C18:0. FAMEs can contain also other saturated monoglycerides such as 1-C17:0, but these are generally much lower than the three targeted saturated monoglycerides and are therefore not included in the Standard’s scope. WARNING – The use of this standard can involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to take appropriate measures to ensure the safety and health of personnel prior to application of the standard, and fulfil statutory and regulatory requirements for this purpose.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
European foreword
6 European foreword
7 1 Scope
2 Normative references
3 Principle
4 Reagents and materials
8 5 Apparatus
5.2.1 DB 5HT (5 % phenyl, 95 % methylpolysiloxane), 30 m x 0,25 mm, 0,1 µm film thickness.
5.2.2 CP9078, 15 m x 0,32 mm, 0,1 µm film thickness.
6 Preparation of solutions
6.1 Glyceryl monononadecanoate stock solution, 2,5 mg/ml
9 6.2 Reference solution
7 Sampling
8 Procedure
8.1 Operating conditions
8.2 Column evaluation
10 8.3 Analysis of the reference solution
8.4 Preparation and analysis of the samples
11 8.5 Identification
8.6 Calibration
9 Determination of results
9.1 Integration of the peaks
9.2 Calculation
12 10 Expression of results
11 Precision
11.1 General
11.2 Repeatability, r
11.3 Reproducibility, R
13 12 Test report
14 Annex A (informative) Saturated monoglyceride standards
15 Annex B (informative) Calculation of column performance
17 Annex C (informative) Example chromatograms
18 Bibliography
BS EN 17057:2018
$102.76