超清版 GB/T 44365-2024 牙膏中6-甲基香豆素、二氢香豆素、7-甲基香豆素、7-甲氧基香豆素、7-乙氧基-4-甲基香豆素的测定 高效液相色谱法

ICS 71.100.40
CCS Y 43
中华人民共和国国家标准
GB/T 44365—2024
牙膏中6﹘甲基香豆素、二氢香豆素、
7﹘甲基香豆素、7﹘甲氧基香豆素、
7﹘乙氧基﹘4﹘甲基香豆素的测定
高效液相色谱法
Determination of 6﹘methylcoumarin, dihydrocoumarin, 7﹘methylcoumarin,
7﹘methoxycoumarin, 7﹘ethoxy﹘4﹘methylcoumarin in toothpastes—
High performance liquid chromatography

2024-08-23 发布2025-03-01 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 试验步骤 ······························································································ 2
7.1 试样溶液的制备 ················································································· 2
7.2 测定 ······························································································ 2
7.3 标准工作曲线 ···················································································· 3
7.4 试样测定 ························································································· 3
7.5 空白试验 ························································································· 3
8 结果计算 ······························································································ 3
9 回收率 ································································································ 4
10 精密度 ······························································································· 4
11 检测限和定量限 ····················································································· 4
附录 A （资料性）　标准物质/标准样品信息 ··························································· 5
附录 B （资料性）　5 种香豆素标准溶液的色谱图和光谱图 ············································ 6
附录 C （资料性）　确证试验 ·········································································· 10
　C.1　液相色谱参考工作条件 ········································································· 10
　C.2　质谱参考工作条件 ·············································································· 10
　C.3　定性测试 ························································································ 11


前　　言
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