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CEN
EN ISO 15304:2002/AC:2004

EN ISO 15304:2002/AC:2004

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

ANIMAL AND VEGETABLE FATS AND OILS - DETERMINATION OF THE CONTENT OF TRANS FATTY ACID ISOMERS OF VEGETABLE FATS AND OIL - GAS CHROMATOGRAPHIC METHOD

Superseded date

01-05-2015

Published date

12-01-2013

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Preparation of methyl esters
10 Procedure
11 Calculations
12 Precision
13 Test report
Annex A (informative) Optimum conditions
Annex B (informative) Examples of typical
        chromatograms obtained under the recommended
        conditions
Annex C (informative) Equivalent chain length (ECL)
        values
Annex D (informative) FID response factor and FID
        correction factor
Annex E (informative) Results of interlaboratory test
Annex ZA (normative) Normative references to international
         publications with their relevant European publications
Bibliography

Describes a gas chromatographic method using capillary columns for the determination of the content of trans fatty acid isomers of vegetable oils and fats. The method is specially designed to evaluate, by a single capillary gas chromatographic (GC) procedure, the level of trans isomers as formed during (high temperature) refining, or during hydrogenation of vegetable oils or fats.

Committee
TC 307
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

DIN EN ISO 13884:2005-11 Animal and vegetable fats and oils - Determination of isolated trans isomers by infrared spectrometry (ISO 13884:2003)

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 5555:2001 Animal and vegetable fats and oils — Sampling
EN ISO 661:2005/AC:2006 ANIMAL AND VEGETABLE FATS AND OILS - PREPARATION OF TEST SAMPLE
NEN 6303 : 1988 VEGETABLE AND ANIMAL OILS AND FATS - DETERMINATION OF REPEATABILITY AND REPRODUCIBILITY OF METHODS OF ANALYSIS BY INTERLABORATORY TESTS
EN ISO 5509 : 2000 ANIMAL AND VEGETABLE FATS AND OILS - PREPARATION OF METHYL ESTER OF FATTY ACIDS
ISO 5509:2000 Animal and vegetable fats and oils Preparation of methyl esters of fatty acids
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 661:2003 Animal and vegetable fats and oils Preparation of test sample

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