化妆品中大麻二酚和四氢大麻酚的测定 液相色谱﹘串联质谱法 Determination of cannabidiol and tetrahydrocannabinol in cosmetics— Liquid chromatography tandem mass spectrometry  ICS  71.100.70 CCS  Y 42   中华人民共和国国家标准 GB/T 44428—2024 2024-08-2 3发布 2025-03-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布 目　　次 前言   ·····································································································   Ⅲ 引言   ·····································································································   Ⅳ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     原理   ··································································································   1 5     试剂和材料   ···························································································   1 6     仪器设备   ······························································································   2 7     试样制备和试验步骤   ·················································································   2      7.1     试样制备   ·························································································   2      7.2     测定参考条件   ····················································································   2      7.3     定性测定   ·························································································   3      7.4     定量测定   ·························································································   3      7.5     空白试验   ·························································································   4 8     试验数据处理   ·························································································   4 9     回收率   ································································································   4 10     精密度   ·······························································································   4 附录A （资料性）    标准品的信息   ······································································   5 附录B （资料性）    标准溶液多反应监测色谱图   ·······················································   6 附录C （资料性）    方法回收率偏差范围   ······························································   7 参考文献   ··································································································   8 GB/T 44428—2024     Ⅰ