| 牡荆叶茎中Zn Fe Cu Mn微量元素测定 |
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| 引用本文： | 胡彩虹,唐思群,胡杨,高才健,唐敏,雷军. 牡荆叶茎中Zn Fe Cu Mn微量元素测定[J]. 微量元素与健康研究, 2013, 30(3): 36-37 |
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| 作者姓名： | 胡彩虹 唐思群 胡杨 高才健 唐敏 雷军 |
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| 作者单位： | 绵阳师范学院化学与化学工程学院,四川绵阳,621000 |
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| 摘 要： | 目的:了解牡荆叶、茎中Zn、Fe、Cu、Mn 4种微量元素的分布情况。方法:采用硝酸和高氯酸(体积比为4+1)分解样品,火焰原子吸收光谱法测定牡荆叶、茎中微量元素Zn、Fe、Cu、Mn的含量。对各元素进行了加标回收试验,回收率在95.00%~103.70%之间,RSD<4.9%。结果:相关微量元素在牡荆叶、茎中均含量丰富。结论:牡荆茎、叶中Zn、Fe含量差异较大,Cu、Mn含量差异相对较小。
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| 关 键 词： | 牡荆 火焰原子吸收光谱法 Zn、Fe、Cu、Mn微量元素含量 |
Vitex quinata leaf, stem Zn, Fe, Cu, Mn determination of trace elements |
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| Abstract: | Objective: Understanding vitexin leaves and stems of trace element Zn,Fe,Cu,Mn four kinds of distribution.Method: Using nitric acid and perchloric acid mixed acid(mass ratio of 4+1) sample digestion,Flame atomic absorption spectrometric method for the determination of vitexin leaves and stems of trace element Zn,Fe,Cu and Mn contents.Each element spiked recovery test,spiking recovery at 95.00%~103.70%,RSD<4.91%.The result: trace elements in leaves of vitexin,stems are rich.Conclusion: Vitex leaves,stems Zn,Fe content quite different,Cu,Mn content differences are relatively small. |
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| Keywords: | Vertex flame atomic absorb rpt ion sect Rome try Zn,Fe,Cu,Man content of trace elements |
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