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Study of polarographic adsorptive wave of Eu(Ⅲ)-ARS complex
Author(s): 
Pages: 39-42
Year: Issue:  1
Journal: JOURNAL OF YUNAN NORMAL UNIVERSITY(NATURAL SCIENCES EDITION)

Keyword:  极谱吸附波峰电流矿石;
Abstract: 研究了在pH=9.6的氨-氯化铵缓冲溶液中,Eu (Ⅲ)与茜素红(ARS)络合物的极谱波,该极谱波峰电位在-2.25V(sv. SCE),其峰电流与铕的浓度在3.0×10-6~3.0×10-4mol*L-1之间呈线性关系,最低检出限为1.0×10-6mol*L-1.利用该方法可测定稀土矿石中的中稀土元素铕.
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