Home / Standards / GB/T 44998-2024 GB/T 44998-2024 Active Determination of nitrates and nitrites in surfactants—Ion chromatography method 表面活性剂中硝酸盐和亚硝酸盐的测定 离子色谱法 Standard Type GBT ICS 71.100.40 CCS Y43 Status 现行 Issue Date 2024-11-28 Implementation 2025-06-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A