The calculated results of effective permittivity of two different redox reactions were in good agreement with the measured results and better than that of the original formula.

• 以碘化钾和高锰酸钾两个氧化还原反应为例，对实验结果和计算结果进行了分析比较，结果表明其具有很好的一致性，而且计算精度较改进前的公式得到了改善。