Huang Qing
Abstract
The Coptis Chinensis samples were digested by HNO_3-H_2O_2,and the amounts of Ca,Cu,Fe,Mg,Mn,Zn in the samples were determined by ICP-AES.The RSDs are 2.4%—6.6% and the recoveries are 92.5%—103.9%.The results are satisfactory.
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The Coptis Chinensis samples were digested by HNO_3-H_2O_2,and the amounts of Ca,Cu,Fe,Mg,Mn,Zn in the samples were determined by ICP-AES.The RSDs are 2.4%—6.6% and the recoveries are 92.5%—103.9%.The results are satisfactory.
Key concepts: Coptis chinensis, Inductively coupled plasma atomic emission spectroscopy, Trace element, Chemistry, TRACE (psycholinguistics), Environmental chemistry, Inductively coupled plasma, Medicine