Determination of Trace Elements in Radix Ophiopogonis by HG-ICP-AES
LOU Qi-zheng1,XU Run-sheng2
1. Department of Biology and Chemistry, Jinhua Education College, Jinhua 321000, China 2. Department of Chemistry，Zhejiang Normal University，Jinhua 321004，China
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.
Key words：Microwave high pressure digestion;HG-ICP-AES;Radix Ophiopogonis [Ophiogon japonicus(Thunb. )Ker-Gawl.];Trace elements
楼启正1,徐润生2. 微波高压消解HG-ICP-AES法测定不同品种麦冬的微量元素[J]. 光谱学与光谱分析, 2007, 27(06): 1218-1221.
LOU Qi-zheng1,XU Run-sheng2. Determination of Trace Elements in Radix Ophiopogonis by HG-ICP-AES. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(06): 1218-1221.
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