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ISO 13884:2003

Current
Current

The latest, up-to-date edition.

Animal and vegetable fats and oils Determination of isolated trans isomers by infrared spectrometry
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

07-07-2003

ISO 13884:2003 specifies a method for the accurate determination of isolated trans bonds in natural or processed long-chain fatty acids, fatty acid esters and triglycerides with trans isomer levels greater than or equal to 5 %.

The method is not applicable, or is applicable only with specific precautions, to fats and oils containing high levels (over 5 %) of conjugated unsaturation (e.g. tung oil); materials containing functional groups which modify the intensity of the C-H deformation about the trans double bond [e.g. castor oil containing ricinoleic acid or its geometrical isomer, ricinelaidic acid (12-hydroxy-9-octadecenoic acid)]; mixed triglycerides having long- and short-chain moieties (such as diacetostearin); or in general, any materials containing constituents which have functional groups which give rise to specific absorption bands at or sufficiently close to interfere with the 966 cm-1 band of the C-H deformation of the isolated trans double bond.

DevelopmentNote
Supersedes ISO/DIS 13884 (07/2003)
DocumentType
Standard
Pages
9
PublisherName
International Organization for Standardization
Status
Current

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
ISO 15304:2002 Animal and vegetable fats and oils Determination of the content of trans fatty acid isomers of vegetable fats and oils Gas chromatographic method
ISO 5509:2000 Animal and vegetable fats and oils Preparation of methyl esters of fatty acids
ISO 661:2003 Animal and vegetable fats and oils Preparation of test sample

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