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Determination of Inorganic Elements in Caodan by Microwave Digestion ICP-AES Method

Huang Ming-xia

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Abstract

[Objective]The purpose of this research was to study the optimum analysis method on inorganic elements in traditional Chinese medicine.[Method]Determination of inorganic elements in Caodan such as Zn,Co,Mn,Cu,Ni,Cr,Fe,Al,Ca,Mg,Sr,Pb,Cd,As,Se was carried out by microwave digestion ICP-AES method.[Result]The results indicated that ICP-AES method was simple,rapid,sensitive,accurate,and could determine far more one kind of element simultaneously.Its recovery ratio obtained by standard addition method ranged from 94.6%~104.3%,and its RSD(n=5) was lower than 5.6%.Caodan had rich inorganic elements,which were essential to human health.The content of common elements Ca,Mg,Fe,Mn,Zn,Cu were higher,matching the case of its drug efficacy.[Conclusion]The results of this research could provide a theoretical basis for further utilization of Caodan.

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What this paper is about

[Objective]The purpose of this research was to study the optimum analysis method on inorganic elements in traditional Chinese medicine.[Method]Determination of inorganic elements in Caodan such as Zn,Co,Mn,Cu,Ni,Cr,Fe,Al,Ca,Mg,Sr,Pb,Cd,As,Se was carried out by microwave digestion ICP-AES method.[Result]The results indicated that ICP-AES method was simple,rapid,sensitive,accurate,and could determine far more one kind of element simultaneously.Its recovery ratio obtained by standard addition method ranged from 94.6%~104.3%,and its RSD(n=5) was lower than 5.6%.Caodan had rich inorganic elements,which were essential to human health.The content of common elements Ca,Mg,Fe,Mn,Zn,Cu were higher,matching the case of its drug efficacy.[Conclusion]The results of this research could provide a theoretical basis for further utilization of Caodan.

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Available abstract

[Objective]The purpose of this research was to study the optimum analysis method on inorganic elements in traditional Chinese medicine.[Method]Determination of inorganic elements in Caodan such as Zn,Co,Mn,Cu,Ni,Cr,Fe,Al,Ca,Mg,Sr,Pb,Cd,As,Se was carried out by microwave digestion ICP-AES method.[Result]The results indicated that ICP-AES method was simple,rapid,sensitive,accurate,and could determine far more one kind of element simultaneously.Its recovery ratio obtained by standard addition method ranged from 94.6%~104.3%,and its RSD(n=5) was lower than 5.6%.Caodan had rich inorganic elements,which were essential to human health.The content of common elements Ca,Mg,Fe,Mn,Zn,Cu were higher,matching the case of its drug efficacy.[Conclusion]The results of this research could provide a theoretical basis for further utilization of Caodan.

Key concepts: Inductively coupled plasma atomic emission spectroscopy, Microwave digestion, Chemistry, Digestion (alchemy), Microwave, Analytical Chemistry (journal), Nuclear chemistry, Chromatography

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