1.1 本术语涵盖国际纯化学与应用化学联合会（IUPAC）推荐的术语， 2. 旨在为使用离子选择性电极分析测量水、废水和盐水中的物种提供指导。 1.2 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This terminology covers those terms recommended by the International Union of Pure and Applied Chemistry (IUPAC), 2 and is intended to provide guidance in the use of ion-selective electrodes for analytical measurement of species in water, wastewater, and brines. 1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.