This European Standard specifies a procedure for the determination of the content of free fatty acid; FFA; in alkylamidopropylbetaines; which is defined as being the amount of fatty acid expressed in grams per 100 g of product.This method has been validated for the determination of fatty acids from C6 to C20 in a total concentration range from 0;02 g to more than 3;0 g fatty acid per 100 g of product.
EN 15608:2008 history
2008EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method