2013•Zhongguo shiyan fangjixue zazhiRequires access

Determination of metal elements in Lysimachia christinae Hance by Atomic Absorption Spectrometry

HU Jiu-hong

Abstract

Objective:To determine the contents of metal elements in Lysimachia christinae H.by FAAS.Method:The samples were digested with the HNO3-HClO4 system and then the flame atomic absorption spectrometry was adopted to determine the contents of five mental elements(Fe,Mg,Mn,Cu and Zn) in L.christinae from six diferent places.Result:L.christinae contains abundant mental elements.The contents of five mental elements from high to low is Mg,Fe,Mn,Zn and Cu successively.The additional standard recoveries of samples were between 97.11% and 102.94% with RSD(n=6) of the range from 0.83% to 3.37%.Conclusion: The established method to determine the conetents of Mg,Fe,Mn,Cu and Zn in L.christinae was of high sensitivity,good stability,precision and accuracy.

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Key concepts: Atomic absorption spectroscopy, Metal, Chemistry, Environmental chemistry, Heavy metals, Organic chemistry, Quantum mechanics, Physics