【摘要】 利用电势阶跃法和光谱电化学方法研究了中性红的氧化还原反应，并测定出标准电极电势Ｅ＝０２５８（ｖｓＮＨＥ），电子转移数ｎ＝２以及还原态离解常数ｐＫａ１＝５１８，ｐＫａ２＝６０３，推测了中性红在水溶液及非水溶液（二甲亚砜）中的电极反应机理更多还原

【Abstract】 The electrochemical redox of neutral red has been studied by potential step method and thin layer spectroelectrochemistry The standard potential E  and the number of electron transfer determined were 0 258V(vs NHE)and 2 respectively The acid dissocilation constants for the reducted neutral red were obtained as pK a1 =5 18,pK a2 =6 03 The mechanism of electrode reaction has been proposed更多还原