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投稿时间:2016-10-05
投稿时间:2016-10-05
中文摘要: 采用微波法消解,以 HNO3-H2O2 作消解剂,并用电感耦合等离子体发射光谱法(inductively coupled plasma optical emission spectrometry ICP-OES) 测定五台山蘑菇中多种元素的含量。 测定结果表明, 台蘑中含有 Ca、Fe、 Cr、 Mg、Ba、Zn、Cu、Mn、Na、K、Co、Al、Ni 13 种元素,未检测出对人体有害的 Cd、Pb、Hg、As、Se、Mo 等元素。方法的线性关 系良好,相关系数在 0.996 445~0.999 998 之间。在仪器的最佳工作条件下,各元素的加标回收率在 92.9 %~114.4 %之 间,相对标准偏差在 0.11 %~4.98 %之间,该方法操作简便,快速,并且可以多种元素同时测定。
中文关键词: 微波消解 电感耦合等离子体发射光谱法 元素含量 台蘑
Abstract:The contents of elements in mushrooms from Mount Wutai were determined by inductively coupled plasma -atomic emission spectrometric (ICP -OES). Mushroom samples were digested by microwave with HNO3-H2O2.The results showed there were 13 elements in this kind of mushrooms. They were Ca, Fe, Cr, Mg, Ba, Zn, Cu, Mn, Na, K, Co, Al, Ni, and did not detect Cd, Pb, Hg, As, Se, Mo of the harmful to human body. The method displays good linear relationship with correlation coefficient between 0.996 445 -0.999 998. Under the best working conditions of this method the addition recoveries for these elements were from 92.2 % to 114.4 %, and the RSD of the method was between 0.11 % and 4.98 %. The method is convenient, rapid in detection of trace elements and can be used to analyze multi-elements in the same time.
keywords: microwave digestion inductively coupled plasma optical emission spectrometry ICP-OES elements content mushrooms from Mount Wutai
文章编号:201713034 中图分类号: 文献标志码:A
基金项目:忻州师范学院青年基金项目(QN201524)
Author Name | Affiliation |
WANG Ni, HE Mei-ling, FAN Jian-feng* | Department of Chemistry,Xinzhou Teachers' University, Xinzhou 034000, Shanxi, China |
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