FAAS法测定三种中药材中的微量元素  

Determination of Microelement from Three Types of Chinese Herbal Medicines by FAAS

作　　者：蔺志铎[1] 薛福玲[1] 韩明[1] 吴冬青[1] 

机构地区：[1]西部资源环境化学重点实验室河西学院化学系甘肃,张掖734000

出　　处：《广东微量元素科学》2009年第7期39-42,共4页Trace Elements Science

基　　金：甘肃省教育厅科研资助项目(0509-02);西部资源环境化学重点实验室科研资助项目(xz0603)

摘　　要：采用V（浓硝酸）＋V（高氯酸）=4＋1混酸溶解消化样品。用火焰原子吸收光谱法（FAAS）测定了红芪、黄芪、板蓝根中K、ca、Na、Mg、Fe、Mn、Zn、Cu8种微量元素的含量。结果表明，红芪中钙的含量最高，铜的含量最低；黄芪和板蓝根中镁的含量最高，铜的含量最低。各元素回收率（n=7）在96．07％～101．26％之间，RSD值（n=7）在0．60％～2．99％之间。The eight microelements in the three types of Chinese herbal medicines were determined by FAAS. The sample were digested with V（HNO3） ＋ V（HC1Q） = 4 ＋ 1 before determination. The results showed that the content of Ca was the most and Cu was the less in Hedysarum herb, the content of Mg was the most and Cu was the less in Astragalus memberanaceus and lsatis indigotica Fort. The recovery （n=7） is96.07%10～1.26%, RSD （n=7） is0.60% ～2.99%.

关 键 词：火焰原子吸收光谱法 中药材 微量元素 

分 类 号：R284.1[医药卫生—中药学] O657.31[医药卫生—中医学]