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研究了可逆氧化还原对(以二茂铁为例)在圆盘微铂电极上的卷积法,包括一阶导数卷积(e),二阶导数卷积(e′),三阶导数卷积(e″)的行为.结果表明,在微电极上的 e-E曲线类似于常规电极的循环伏安曲线。e、e′和e″曲线的峰高与扫速幂次的关系与悬汞电极上的规律相符,但其值分别为0.5、1.5、2.5.还研究了微电极的交流伏安行为,得到铁氰化钾的特征电位值。
The convolution method of the reversible redox couple (taking ferrocene as an example) on the disk micro platinum electrode is studied, including the first derivative convolution (e), the second derivative convolution (e ’), the third derivative (E “). The results show that the eE curve at the microelectrode is similar to the cyclic voltammetry curve of the conventional electrode. The relationship between the peak height of e, e ’and e” But their values were 0.5, 1.5, and 2.5, respectively. The AC voltammetry behavior of the microelectrode was also studied, and the characteristic potential value of potassium ferricyanide was obtained.