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化工学报  2013 

硝基苯在离子液体BPyBF4/H2O中的电化学行为

DOI: 10.3969/j.issn.0438-1157.2013.10.027, PP. 3679-3685

Keywords: 硝基苯,离子液体,电还原,原位红外

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Abstract:

在离子液体1-丁基吡啶四氟硼酸盐(BPyBF4)的水溶液中,采用循环伏安法(CV)、计时电流法(CA)、恒电位电解及原位红外光谱法(in-situFTIRS)等研究了硝基苯在铂电极上的电化学还原行为。研究结果表明:硝基苯在离子液体BPyBF4/H2O体系中的还原过程是受扩散控制的,其还原产物主要是偶氮苯,经估算得到硝基苯在该体系中的扩散系数为3.1×10-7cm2·s-1,提高温度和加入一定浓度的水均有利于硝基苯在该体系中的电化学还原。

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