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用采样极谱法研究了非质子溶剂中SOD模型化合物催化O_2~-的歧化反应,用简化的函数关系代替动力学微分方程的准确解.通过测定极限催化电流与极限扩散电流比随SOD模型化学物浓度及滴汞电极滴下时间的变化,确定催化O_2~-歧化反应速率常数K_1.
The disazo reaction catalyzed by SOD model compounds in aprotic solvents was studied by using the polarographic method and a simple functional relationship was substituted for the exact solution of the differential equations of the kinetics. By measuring the limit catalytic current and the limiting diffusion current ratio, Concentration and the dropping time of dropping mercury electrode, the rate constant K_1 of catalytic O_2 ~ - disproportionation reaction was determined.