该欧洲标准规定了用于测定洗涤剂和清洁剂中阴离子表面活性剂和皂的含量的方法，其定义为阴离子表面活性剂以毫摩尔/ 100g产品表示的量。 注1:在每种特殊情况下应检查不同于测试的产品的适用性。 注2与通常的实验室两相滴定与视觉终点测定（参见ISO 2271）相比，电位滴定提供了自动化的优点;识别等同点的操作者依赖性差异可以忽略，非关键溶剂代替毒理学关键的氯仿

This European 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. NOTE 1 The applicability in products different that those tested should be checked in each particular case. NOTE 2 In comparison to usual laboratory two-phase titration with visual endpoint determination (see ISO 2271), potentiometric titration offers the advantage of automation; operator-dependent differences in recognising the equivalence point can be neglected, and a non-critical solvent replaces the toxicologically critical chloroform.