GB/T 5532-2022: Animal and vegetable fats and oils - Determination of iodine value

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Scope

This document specifies a method for the determination of the iodine value of animal
and vegetable fats and oils.
Appendix B describes a method for the calculation of the iodine value according to fatty
acid compositional data. This method is not applicable to fish oils. Furthermore, for
cold-pressed, unrefined animal and vegetable oils as well as (partially) hydrogenated
oils, different results can be obtained by the two methods. The calculated iodine value
is affected by impurities and thermal degradation products.
NOTE: The method is based upon the official method Cd 1c-85 of American Oil Chemists Society
(AOCS).

Basic Data

Standard ID	GB/T 5532-2022 (GB/T5532-2022)
Description (Translated English)	Animal and vegetable fats and oils - Determination of iodine value
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	X04
Classification of International Standard	67.040
Word Count Estimation	14,194
Date of Issue	2022-12-30
Date of Implementation	2023-07-01
Older Standard (superseded by this standard)	GB/T 5532-2008
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration