Review of Polarography
Online ISSN : 1884-7692
Print ISSN : 0034-6691
ISSN-L : 0034-6691
Polarography of Europium Complex with Diethylenetriaminepentaacetic Acid
Seizo MISUMIAkio IWASE
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1963 年 11 巻 1-2 号 p. 146-154

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Diethylenetriaminepentaacetic acid (DTPA) has five carboxylic acid radicals and three nitrogen atoms as functional groups for formation of metal chelate compounds and forms chelate compounds with many metals. It was found by Schwarzenbachet al. and Chaberek that the values of formation constants of metal-DTPA complexes were larger than those of EDTA and CyDTA complexes. It was observed also with potentiometric titration by Chaberek and with amperometric titration by the authors' that the rare earth metal ions formed 1:1 chelate compounds with DTPA and their formation constants were determined. In this paper, pelarographic studies on the europium-DTPA complex are presented and the forrration constant of europium(II)- DTPA complex was determined.
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© The Polarographic Society of Japan
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