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EVS-EN ISO 3657:2013

Animal and vegetable fats and oils - Determination of saponification value (ISO 3657:2013)

General information
Withdrawn from 15.05.2020
Base Documents
ISO 3657:2013; EN ISO 3657:2013
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.05.2020
Main
09.09.2013
Main
EVS-EN ISO 3657:2013
Main
EVS-EN ISO 3657:2003
This International Standard specifies a method for the determination of the saponification value of animal and vegetable fats and oils. The saponification value is a measure of the free and esterified acids present in fats and fatty acids. The method is applicable to refined and crude vegetable and animal fats. If mineral acids are present, the results given by this method are not interpretable unless the mineral acids are determined separately. The saponification value can also be calculated from fatty acid data obtained by gas liquid chromatography analysis as given in Annex B. For this calculation, it is necessary to be sure that the sample does not contain major impurities or is thermally degraded.
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