分散固相净化-气质联用法测定茶叶中的9,10-蒽醌
文献类型: 中文期刊
作者: 汪煊;周利;罗逢健;陈宗懋
作者机构:
关键词: 9,10-蒽醌;茶叶;分散固相净化;GC-MS/MS
期刊名称:分析试验室
ISSN: 1000-0720
年卷期: 2018 年 3 期
页码: 343-346
收录情况: 北大核心(2020版) ; CSCD(2020-2021年度) ; 科技核心(2020版)
摘要: 建立了分散固相净化-气相色谱/串联质谱法(GC-MS/MS)测定茶叶中9,10-蒽醌残留量的检测方法。样品经正己烷和丙酮的混合溶液提取,采用弗罗里硅土分散固相净化,GCMS/MS MRM模式下分析检测,内标法定量。在0.02~1.0 mg/kg的添加水平下,9,10-蒽醌的平均回收率为92.7%~111.5%,相对标准偏差(RSD)2.4%~7.0%,方法定量限(LOQ)为0.02 mg/kg。该方法有机溶剂用量少,能满足蒽醌在茶叶基质中的残留分析要求。
分类号: O657.63`TS272.7
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