红景天中微量元素次级形态的分析  

Analysis of second speciation of trace elements in Rhodiola saccharinensis

作　　者：李熙峰[1] 张敬东[1] 李承范[1] 姚艳红[1] 

机构地区：[1]延边大学分析测试中心,延吉133002

出　　处：《药物分析杂志》2011年第6期1146-1149,共4页Chinese Journal of Pharmaceutical Analysis

基　　金：吉林省教育厅"十一五"科学技术研究项目(吉教科合字[2007]第6号)

摘　　要：目的：建立红景天中微量元素次级形态的分离分析方法。方法：采用阳离子交换树脂和Chelex-100螯合树脂分离红景天可溶态中的8种元素,微波消解法处理样品,电感耦合等离子质谱法（ICP-MS）测定其中各形态的含量。结果：该方法可溶态中的8种元素分离效果良好,方法的回收率在95.8%~107.4%之间,RSD≤3.1%。结论：方法准确、快速,而且有效地去除干扰、增强了有用的信息。Objective：The methods of separating and analyzing of second speciation of trace element in Rhodiola saccharinensis were established.Method：The eight species elements in filtrace of Rhodiola saccharinensis were obtained by using cation exchange resins and Chelex-100 chelating resins.The sample was digested using microwave digestion system.The elements were detected by inductively coupled plasma mass-spectrometry（ICP-MS）.Results：The results separation and analysis of the eight elements in filtrace were good.The recoveries of the elements were ranged from 95.8%-107.4% and relative standard deviations were less than 3.1%.Conclusion：This method is accurate,rapid and can effectively remove interference and enhance the target signal.

关 键 词：红景天 微量元素 可溶态 质谱 

分 类 号：R917[医药卫生—药物分析学]