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KMID : 1059519950390120932
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Journal of the Korean Chemical Society
1995 Volume.39 No. 12 p.932 ~ p.939
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Kinetics and Mechanism of Reaction of Hydrogen Peroxide with Copper(Ⅱ)-Schiff Base Complexes
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Kim Sun-Deuk
Joung Mu-Su
Jin Gyoung-Rok
Kim Chang-Su
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Abstract
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Rates of the decomposition of hydrogen peroxide by copper(Ⅱ)-Schiff base complexes were measured at various concentrations of hydrogen peroxide. Decomposition rates of hydrogen peroxide increased with increasing pH for CuⅡBSDT and CuⅡBSTP but then decreased with the same variation of the pH for CuⅡBSTT. A possible mechanism in accord with experimental results was proposed. The mechanism involves the deprotonation of copper(Ⅱ)-Schiff base complexes of hydrogen peroxide, followed by the formation of peroxo complexes at the rate-determining step.
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