规定了用于测定非水和水性有机溶剂混合物pH值的分析仪、传感器单元和电子单元的术语、定义、方法、制造商声明要求和性能测试。

specifies the terminology, definitions, methodology, requirements for statements by manufacturers and performance tests for analyzers, sensor units and electronic units used for the determination of pH value in non-aqueous and aqueous-organic solvent mixtures.