Home / Standards / GB/T 46258-2025 GB/T 46258-2025 Active Determination of hexamethylenetetramine in cosmetics—Liquid chromatography–tandem mass spectrometry 化妆品中乌洛托品的测定 液相色谱-串联质谱法 Standard Type GBT ICS 71.100.70 CCS Y42 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A