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本文设计了一种新式夹心型光透薄层紫外-可见光谱电化学池。该池采用铂网工作电极,两侧平行放置铂片为对极置于同一石英窗口夹层中,同时以聚四氟乙烯隔离膜作为边际限制器,结合池内小孔道设置内参比点进行精确的电位控制,具有理想的光谱电化学响应。利用循环伏安、循环电位-吸收、恒电位现场光谱、双电位跃-计时电量、双电位跃-计时吸收等技术,对铁氰化钾在氯化钾溶液中的行为进行了表征。
In this paper, a new type of sandwich-type light transmission UV-Vis spectroscopy electrochemical cell has been designed. The pool uses a platinum mesh working electrode, placed on both sides of the platinum plate parallel to the pole placed in the same quartz window interlayer, with PTFE isolation membrane as a marginal limiter, combined with a pool of small channels set within the reference point for accurate Potential control, with ideal spectral electrochemical response. The behavior of potassium ferricyanide in potassium chloride solution was characterized by cyclic voltammetry, cyclic potential - absorption, potentiostatic field spectroscopy, bipotentiometric - chronopotentiometry and bipotential jump - timed absorption.