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根据对于弱极化正弦波动电流扫描滞后圈的研究结果,提出了从小振幅正弦波动电流扫描滞后圈高度测定腐蚀金属电极的极化电阻R_p和界面电容C的方法。这一方法的测量结果不受参考电极至被测电极之间溶液电阻R_(sol)的影响。提出了测量滞后圈高度的0,π增辉法。列出了在模拟电路上纯Fe在不加和添加缓蚀剂的1NH_2SO_4溶液中的测量结果。
According to the research results of scanning hysteresis loop of weakly polarized sinusoidal current, the method of measuring the polarization resistance R_p and interfacial capacitance C of the metal electrode from the amplitude of the small amplitude sinusoidal sweep current lag lag was proposed. The measurement results of this method are not affected by the solution resistance R_ (sol) between the reference electrode and the electrode under test. A 0, π-thresholding method is proposed to measure the height of hysteresis loop. The measurement results of pure Fe in 1NH_2SO_4 solution without added inhibitor were listed on the analog circuit.