微波消解ICP-MS测定天麻中的稀土元素
Contents Determination of Rare Earth Elements in Gastrodia elata by ICP-MS with Microwave Digestion
DOI: 10.12677/HJAS.2018.86092, PDF,   
作者: 彭佳华, 余显伦：昭通市天麻研究院，云南 昭通；毕荣璐, 杨宝钦, 刘建祥, 刘祥义*：西南林业大学,云南 昆明
关键词: 微波消解；ICP-MS；天麻；稀土元素；聚类分析；Microwave Digestion； ICP-MS； Gastrodia elata； Rare Earth Elements； Cluster Analysis
摘要: 本研究以24个不同产地天麻为样品，运用微波消解结合电感耦合等离子体质谱(ICP-MS)测定不同天麻中的14种稀土元素。结果表明，天麻中4种元素含量较高，分别是铈(Ce) 268.1 μg/kg、镧(La) 268.7 μg/kg、钕(Nd) 133.6 μg/kg、镨(Pr) 39.34 μg/kg，其它元素含量都比较低；对24个天麻样品中的14种稀土元素聚类分析后，可以明显区分开昭通天麻和非昭通天麻，第一类为昭通天麻，第二类和第三类为非昭通天麻。故可通过天麻中稀土元素的测定，为建立天麻质量评价体系及鉴别昭通天麻与非昭通天麻提供理论依据。
Abstract: In this study, 24 samples of Gastrodia elata in different regions were used as experimental materials. 14 kinds of rare earth elements, content were determined of 24 Gastrodia elata samples in different origins by ICP-MS with microwave digestion. The results showed that the contents of 4 kinds of rare earth elements, content were relatively high, i.e. cerium (Ce) 268.1 µg/kg, lanthanum (La) 268.7 µg/kg, neodymium (Nd) 133.6 µg/kg, praseodymium (Pr) 39.34 µg/kg. And the other elements content are relatively low. After clustering analysis of 14 kinds of rare earth elements of 24 Gastrodia elata samples, cluster analysis can make a good distinction between Zhaotong Gastrodia elata and non-Zhaotong Gastrodia elata. So the samples were divided into three categories, the first is Zhaotong Gastrodia elata, the second and third are non-Zhaotong Gastrodia elata. Therefore, the determination of rare earth elements of Gastrodia elata can provide theoretical basis for the establishment of quality evaluation system of Gastrodia elata and the identification of Zhaotong Gastrodia elata between non-Zhaotong Gastrodia elata.
文章引用：彭佳华, 毕荣璐, 杨宝钦, 刘建祥, 余显伦, 刘祥义. 微波消解ICP-MS测定天麻中的稀土元素[J]. 农业科学, 2018, 8(6): 602-608. https://doi.org/10.12677/HJAS.2018.86092

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