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在[H_2SO_4]为0.1～2mol/L,[K_2Cr_2O_7]为0.01～0.4mol/L的范围内,研究了Fe/H_2SO_4+K_2Cr_2O_7系统的电化学状态和阴极极化行为,讨论了[H_2SO_4]、[K_2Cr_2O_7]和[H_2SO_4]/[K_2Cr_2O_7]比值与Fe的电化学状态的关系。分析了所出现的五种类型阴极极化曲线和外磁场对阴极过程的影响。
The electrochemical behavior and cathodic polarization of Fe / H_2SO_4 + K_2Cr_2O_7 system were investigated in the range of [H_2SO_4] of 0.1 ~ 2mol / L and [K_2Cr_2O_7] of 0.01 ~ 0.4mol / L. The effects of [H_2SO_4], [ K_2Cr_2O_7] and [H_2SO_4] / [K_2Cr_2O_7] ratio and the electrochemical state of Fe. The effects of the five types of cathodic polarization and the external magnetic field on the cathodic process were analyzed.