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Determination of Trace elements in Galla chinensis by Flame Atomic Absorption Spectrometry

Hai Lan

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Abstract

Object:In this paper,the content of Ca,Mg,Fe,Cu,Mn and Zn trace elements in Galla chinensis had been determined by flame Atomic Absorption Spectrometry.Method:FAAS was used to determine the contents of Ca,Mg,Zn,Cu,Fe,Mn,Cr,Ni in the Galla chinensis.The samples were digested with HNO3-HClO4 at 250 ℃ under normal pressure.In the meantime,the accuracy and precision on the results were studied.Results:For all of the analyzed metals,the correlative coefficient of the calibration curves was over 0.998 2.The recovery was 96.0%～109.8% with RSD of less 4.70%.The concentration order of trace elements in Galla chinensis is:CaMgFeZnMnCu.Conclusion:The results showed that there were relatively rich Ca,Mg,Fe,Zn,Mn,Cu in Galla chinensis.The data provides the new scientific evidences for the further studies and comprehensive utilization of Galla chinensis.

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Object:In this paper,the content of Ca,Mg,Fe,Cu,Mn and Zn trace elements in Galla chinensis had been determined by flame Atomic Absorption Spectrometry.Method:FAAS was used to determine the contents of Ca,Mg,Zn,Cu,Fe,Mn,Cr,Ni in the Galla chinensis.The samples were digested with HNO3-HClO4 at 250 ℃ under normal pressure.In the meantime,the accuracy and precision on the results were studied.Results:For all of the analyzed metals,the correlative coefficient of the calibration curves was over 0.998 2.The recovery was 96.0%～109.8% with RSD of less 4.70%.The concentration order of trace elements in Galla chinensis is:CaMgFeZnMnCu.Conclusion:The results showed that there were relatively rich Ca,Mg,Fe,Zn,Mn,Cu in Galla chinensis.The data provides the new scientific evidences for the further studies and comprehensive utilization of Galla chinensis.

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Available abstract

Object:In this paper,the content of Ca,Mg,Fe,Cu,Mn and Zn trace elements in Galla chinensis had been determined by flame Atomic Absorption Spectrometry.Method:FAAS was used to determine the contents of Ca,Mg,Zn,Cu,Fe,Mn,Cr,Ni in the Galla chinensis.The samples were digested with HNO3-HClO4 at 250 ℃ under normal pressure.In the meantime,the accuracy and precision on the results were studied.Results:For all of the analyzed metals,the correlative coefficient of the calibration curves was over 0.998 2.The recovery was 96.0%～109.8% with RSD of less 4.70%.The concentration order of trace elements in Galla chinensis is:CaMgFeZnMnCu.Conclusion:The results showed that there were relatively rich Ca,Mg,Fe,Zn,Mn,Cu in Galla chinensis.The data provides the new scientific evidences for the further studies and comprehensive utilization of Galla chinensis.

Key concepts: Chemistry, Atomic absorption spectroscopy, Analytical Chemistry (journal), Manganese, Chromatography, Physics, Quantum mechanics, Organic chemistry

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