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化妆品中限用组分二氨基嘧啶氧化物的 测定 高效液相色谱法 Determination of restricted 2,4-diamino-pyrimidine-3-oxide in cosmetics— High performance liquid chromatography ICS 71.100.70 CCS Y 42 中华人民共和国国家标准 GB/T 44367—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 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 高效液相色谱测定参考条件 ····································································· 2 7.3 标准工作曲线绘制 ··············································································· 2 7.4 试样测定 ························································································· 2 7.5 空白试验 ························································································· 3 8 试验数据处理 ························································································· 3 9 回收率 ································································································ 3 10 精密度 ······························································································· 3 附录A (资料性) 二氨基嘧啶氧化物标准品的信息 ·················································· 4 附录B (资料性) 二氨基嘧啶氧化物标准溶液的色谱图和光谱图 ···································· 5 GB/T 44367—2024 Ⅰ
GB-T 44367-2024 化妆品中限用组分二氨基嘧啶氧化物的测定 高效液相色谱法
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