발간논문

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Vol.33, No.10, 1368 ~ 1374, 1995
Title
Dissolution Kinetics of Palladium in Iodide Solutions
최준철Joon Chul Choi, 이원해Won Hae Lee
Abstract
A series of experiments were performed to investigate the kinetics of dissolution reaction between palladium powder and iodide solution. This investigation examined the effects of oxygen, pH, iodide and iodine concentration, initial PdI₄² concentration and temperature on the dissolution of palladium. A half order reaction rate was found with respect to I₃^- and a third order reaction rate with respect to I^-. But the reaction rate was decreased with increasing initial concentration of PdI₄^(2-). The activation energy of reaction was 2.4kJ/mole, which implied that the dissolution reaction was controlled by the diffusion reaction.
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