DIN Standards Committee Food and Agricultural Products
DIN EN ISO 3961
Animal and vegetable fats and oils - Determination of iodine value (ISO 3961:2009); German version EN ISO 3961:2011
Tierische und pflanzliche Fette und Öle - Bestimmung der Iodzahl (ISO 3961:2009); Deutsche Fassung EN ISO 3961:2011
Overview
This International Standard specifies a reference method for the determination of the iodine value (IV) of animal and vegetable fats and oils, hereinafter referred to as fats. Annex A describes a method for the calculation of the IV from fatty acid compositional data. This method is not applicable to fish oils. The method in Annex A is based upon the AOCS (American Oil Chemists' Society) Recommended Practice Cd 1c-85. The method described in Annex A is not intended to be a rapid method, however. This method gives two results from an analytical procedure. The volumetric method is the reference method. The International Standard has been prepared by ISO/TC 34/SC 11 "Animal and vegetable fats and oils" (secretariat: BSI, United Kingdom). CEN/TC 307 "Oilseeds, vegetable and animal fats and oils and their by-products - Sampling and test methods" (secretariat: AFNOR, France) is responsible for the European Standard. On the national level, "Gemeinschaftsausschuss für die Analytik von Fetten, Ölen, Fettprodukten, verwandten Stoffen und Rohstoffen" (GA Fett) ("Joint Committee for the analysis of fats, oil, fat products, related substances and raw materials") of the German Society for Fat Science (DGF) and NAL is responsible for the standard.
