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KMID : 1059519910350020135
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Journal of the Korean Chemical Society
1991 Volume.35 No. 2 p.135 ~ p.141
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A Study on Complex Formation of Heavy Metal Ions with N,N'-Oxalybis(salicylaldehyde hydrazone)
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Choi Kyu-Seong
Lee Ick-Hee
Kim Yong-Nam
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Abstract
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The complexation of N,N'-oxalylbis(salicylaldehyde hydrazone) (OBSH) with Zn (II), Cd (II), and Pb(II) ions was studied by polarographic method in DMSO solution. The order of stability constants was Cd(II) < Zn(II) < pb(II), and all heavy metal ions formed stable complex with OBSH ligand. The stability constants of complexation were measured at various temperatures. As the results, enthalpy and entropy changes of the complexation were distributed on the complex stabilities.
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KEYWORD
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