Home / Standards / GB/T 42238-2022 GB/T 42238-2022 Active Surface active agents—Determination of free propylene oxide content in propylene oxide adduct surfactants—GC method 表面活性剂 环氧丙烷聚合型表面活性剂中游离环氧丙烷的测定 气相色谱法 Standard Type GBT ICS 71.100.40 CCS G72 Status 现行 Issue Date 2022-12-30 Implementation 2022-12-30 Responsible Dept 中国轻工业联合会 Drafting Unit N/A