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《Journal of Fudan University》 1998-03
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The Simultaneous Determination of Trace Cu,Bi and Fe by Spectrophotometry-CPA Matrix Method

Ma Lin;Zhu Wansen;Wang Duan;Gu Wei (Deprtment of chemistry)  
Taking a ternary complex, M-3, 5-diBr-PADAP-OP as color-producing system, a research has been made on the simultaneous determination of Cu, Bi and Fe by spec- trophotometry-CPA matrix method. This method has been applied to determine the trace impurities in a practical lead ingot with satisfactory results.
【CateGory Index】: O657.3
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