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Normas DIN – AENOR
DIN EN ISO 3657:2012-08

DIN EN ISO 3657:2012-08

Animal and vegetable fats and oils - Determination of saponification value (ISO/DIS 3657:2012); German version prEN ISO 3657:2012 / Note: Date of issue 2012-07-30

Corps gras d'origines animale et végétale - Détermination de l'indice de saponification (ISO/DIS 3657:2012); Version allemande prEN ISO 3657:2012 / Attention: Date de parution 2012-07-30

Tierische und pflanzliche Fette und Öle - Bestimmung der Verseifungszahl (ISO/DIS 3657:2012); Deutsche Fassung prEN ISO 3657:2012 / Achtung: Erscheinungsdatum 2012-07-30

Fecha Anulación:
2013-12 /Withdrawn
Equivalencias internacionales:

ISO/DIS 3657 (2012-07)

prEN ISO 3657 (2012-07)

Relación con otras normas DIN:

Reemplazada por: DIN EN ISO 3657:2013-12

Resumen:
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.
Keywords:
Animal fats, Animal oils, Chemical analysis and testing, Definitions, Determination, Fats, Food products, Food testing, Mathematical calculations, Oils, Saponification number, Vegetable fats, Vegetable oils
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