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Determination of Trace Elements in Cortex Magnoliae Officinalis by Flame Atomic Absorption Spectrometry

Qingsong Li, WU Su-zhen

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Abstract

OBJECTIVE:To detect the contents of six trace elements(Fe,Cu,Zn,Mn,Ca,Mg) in Cortex Magnoliae Officinalis by flame atomic absorption spectroscopy.METHODS:The samples were diluted by microwave with HNO3.The contents of six trace elements(Fe,Cu,Zn,Mn,Ca and Mg) were determined by calibration curve method.RESULTS:The recovery rates of the six trace elements ranged from 99.40% to 108.00% with all RSD being less than 1.86%.CONCLUSIONS:The results show that the Cortex Magnoliae Officinalis is rich in trace elements which are necessary for people.The method applied in this study is simple,accurate and satisfactory.

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What this paper is about

OBJECTIVE:To detect the contents of six trace elements(Fe,Cu,Zn,Mn,Ca,Mg) in Cortex Magnoliae Officinalis by flame atomic absorption spectroscopy.METHODS:The samples were diluted by microwave with HNO3.The contents of six trace elements(Fe,Cu,Zn,Mn,Ca and Mg) were determined by calibration curve method.RESULTS:The recovery rates of the six trace elements ranged from 99.40% to 108.00% with all RSD being less than 1.86%.CONCLUSIONS:The results show that the Cortex Magnoliae Officinalis is rich in trace elements which are necessary for people.The method applied in this study is simple,accurate and satisfactory.

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Available abstract

OBJECTIVE:To detect the contents of six trace elements(Fe,Cu,Zn,Mn,Ca,Mg) in Cortex Magnoliae Officinalis by flame atomic absorption spectroscopy.METHODS:The samples were diluted by microwave with HNO3.The contents of six trace elements(Fe,Cu,Zn,Mn,Ca and Mg) were determined by calibration curve method.RESULTS:The recovery rates of the six trace elements ranged from 99.40% to 108.00% with all RSD being less than 1.86%.CONCLUSIONS:The results show that the Cortex Magnoliae Officinalis is rich in trace elements which are necessary for people.The method applied in this study is simple,accurate and satisfactory.

Key concepts: Atomic absorption spectroscopy, Officinalis, Calibration curve, Chemistry, Trace element, TRACE (psycholinguistics), Absorption (acoustics), Analytical Chemistry (journal)

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