DIN EN 14669-2005 表面活性剂.清洁剂和洗涤剂中阴离子表面活性剂和肥皂的测定.电位测量两相滴定法
Surface active agents - Determination of anionic surface active agents and soaps in detergents and cleansers - Potentiometric two-phase titration method; German version EN 14669:2005
This standard specifies a method for the determination of the content of anionic surface active agents and soaps in detergents and cleansers, defined as being the amount of anionic surface active agents expressed in millimoles per 100 g of product.#,,#