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  • Title: [Determination of trace elements in radix ophiopogonis by HG-ICP-AES].
    Author: Lou QZ, Xu RS.
    Journal: Guang Pu Xue Yu Guang Pu Fen Xi; 2007 Jun; 27(6):1218-21. PubMed ID: 17763797.
    Abstract:
    In this paper, a method of microwave digestion technique for the contents determination of trace elements Ni, Zn, Mn, Cu, Mg, Fe, Ca and Pb in radix ophiopogonis by hydride generation inductively coupled plasma atomic emition spectrometry (HG-ICP-AES) was reported. Its recovery ratio obtained by standard addition method ranged between 97.8% and 102.5%, and its RSD was lower than 4.0%. The results of the determination show that radix ophiopogonis is rich in the inorganic elements such as Fe, and the content of Zn in radix ophiopogonis of Zhejiang is much higher in radix ophiopogonis of Sichun. The result will provide scientific data for the study on the elements in radix ophiopogonis and on their relativity of medicine efficacy.
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