| 微波消解-ICP-MS法测定茶叶中11种无机元素 |
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| 引用本文： | 姚福泉,左永洪,周红梅,段留成.微波消解-ICP-MS法测定茶叶中11种无机元素[J].云南化工,2012(6):26-29. |
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| 作者姓名： | 姚福泉 左永洪 周红梅 段留成 |
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| 作者单位： | 云南民族大学民族药资源化学国家民委-教育部重点实验室;云南省昭通市彝良县毛坪中学;云南省昭通市彝良县洛泽河中学;云南省曲靖市富源县富源一中 |
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| 摘 要： | 采用微波消解法对茶叶进行消解，在电感耦合等离子体质谱法（ICP-MS）最佳条件下测定了3种茶叶中11种无机元素的含量。在优化实验条件下，方法的检出限在0．0098-0．0521μg/L之间，相对标准偏差在0．31％-6．06％之间，回收率在94．8％-110．8％之间。
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| 关 键 词： | ICP—MS 微波消解 茶叶 无机元素 |
Determination of 11 Kinds of Inorganic Elements in Tea by Microwave Digestion/ICP-MS Method |
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| YAO Fu-quan,ZUO Yong-hong,ZHOU Hong-mei,DUAN Liu-cheng.Determination of 11 Kinds of Inorganic Elements in Tea by Microwave Digestion/ICP-MS Method[J].Yunnan Chemical Technology,2012(6):26-29. |
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| Authors: | YAO Fu-quan ZUO Yong-hong ZHOU Hong-mei DUAN Liu-cheng |
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| Affiliation: | 1.Key Laboratory of Ethnic Medicine Resource Chemistry,State Ethnic Affairs Commission & Ministry of Education, School of Chemistry and Biotechnology,Yunnan Nationalities University,Kunming 650500,China; 2.Maoping middle school,Zhaotong Yunnan,657601,China; 3.Luozehe middle school,Zhaotong Yunnan,657601,China; 4.Fuyuan NO.1 middle school,Qujing Yunnan,655500,China) |
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| Abstract: | The elements in teas digested by microwave are detected by inductive coupled plasma mass spectrum（ ICP-MS ）. Under optimum conditions, the detection limits are in the range of 0. 0098 to 0.0521 μg/L ,with the relative standard deviations of 0.31 to 6.06% , the recoveries are 94.8 -110.8%. The method was simple,fast,effective with low work intensity which suggests that it＇s an effective method for multi-element determination of tea. |
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| Keywords: | ICP-MS microwave digestion teas inorganic elements |
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