标准摘要
[中文适用范围]： 本标准规定了采用电位法测定表面活性水溶液pH值的方法。 本标准适用于表面活性剂水溶液pH值测定。 [外文原描述]： The determination is carried out in the following way: Potentiometric measurement of the potential difference between a glass electrode and a reference electrode dipping in an aqueous solution of the sample. This method is only applicable when so indicated in the specific standard for each product.
英文名称Surface active agents — Determination of pH of aqueous solutions — Potentiometric method