EN ISO 3961:2018

Animal and vegetable fats and oils - Determination of iodine value (ISO 3961:2018)

Publication date:   Nov 14, 2018

General information

60.55 Ratification completed (DOR)   Aug 24, 2018


CEN/TC 307 Oilseeds, vegetable and animal fats and oils and their by-products - Methods of sampling and analysis

European Norm

67.200.10   Animal and vegetable fats and oils



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This document specifies a reference method for the determination of the iodine value (commonly known in the industry as IV) of animal and vegetable fats and oils, hereinafter referred to as fats.
Annex B describes a method for the calculation of the IV from fatty acid compositional data. This method is not applicable to fish oils. Furthermore, cold-pressed, crude and unrefined vegetable oils as well as (partially) hydrogenated oils can give different results by the two methods. The calculated IV is affected by impurities and thermal degradation products.
NOTE The method in Annex B is based upon the AOCS Official method Cd 1c-85[10].

Life cycle


EN ISO 3961:2013


EN ISO 3961:2018
60.55 Ratification completed (DOR)
Aug 24, 2018