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백금 및 이산화납 양극에 의한 Pinacol 수용액의 양극 반응(I)
Anodic Process of Pinacol Solution at Platinum and Lead Dioxide Anodes(I)
HWAHAK KONGHAK, October 1984, 22(5), 245-251(7), NONE
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Abstract
백금 및 이산화납전극을 사용하여 각종 pH에서 pinacol의 양극반응을 정전위전해법으로 연구한 결과 양극반응은 pH의존적이였다. 산성역에서는 이산화납 전극을 사용하였을 때 가장 좋은 수율로 acetone이 얻어졌으며 또한 c-c 결합절단반응에 관하여 Tafel slope을 구해서 이 반응메카니즘을 검토한 결과 pinacol이 acetone으로 산화되는 반응과정은 Electron-Electron(E-E)반응임을 알 수 있었다.
Using platinum and lead dioxide electrode, anodic process of pinacol have been investigated with potentiostatic method in various pH. Experimental results indicate that yield of acetone from pinacol is good in acidic region and electrolytic products is pH dependent. In this paper, we studied that Tafel slope for the oxidation of 0.5 M pinacol solution buffered to pH 1.2 in order to investigate the mechanism of C-C bond cleavage reaction of pinacol. Results of Tafel slope indicate that electrochemical oxidation of pinacol is electron-electron(E-E) mechanism.