DIN EN 14881-2005 表面活性剂.烷基酰氨丙基甜菜碱中N-(3-二甲氨基丙基)-烷基酰氨含量的测定.气相色谱法
Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method; English version of DIN EN 14881
This European Standard specifies a method for the determination of the content of free N-(3-dimethylaminopropyl)-
alkylamides (amidoamine) in alkylamidopropylbetaines, expressed in grams per 100 g of product.
This method is applicable in the range between 0,02 g and 1,0 g of amidoamine per 100 g of product.