Straightforward Determination of Iodine Value in Fats and Oils Using Thermometric Titration

摘要

Iodine value (IV) is a measure of the total number of double bonds present in fats and oils. It is expressed as the 'number of grams of iodine that will react with the double bonds in 100 grams of fats or oils'. The determination is conducted by dissolving a weighed sample in a non-polar solvent such as cyclohexane, then adding glacial acetic acid. Metrohm Application Note AN-H-076 describes the procedure.