O,O-二丁基二硫代磷酸锌在玻碳电极上的电氧化特性

doi:10.3969/j.issn.0438-1157.2013.07.033

化工学报 ›› 2013, Vol. 64 ›› Issue (7): 2550-2555.DOI: 10.3969/j.issn.0438-1157.2013.07.033

O,O-二丁基二硫代磷酸锌在玻碳电极上的电氧化特性

王晓娟^1,3, 邬蓓蕾^1,3, 马淳安²

1. 宁波出入境检验检疫局, 浙江宁波 315012;
2. 浙江工业大学化学工程与材料学院, 绿色化学合成技术国家重点实验室培育基地, 浙江杭州 310032;
3. 宁波检验检疫科学技术研究院, 浙江宁波 315012

收稿日期:2012-11-06 修回日期:2013-02-28 出版日期:2013-07-05 发布日期:2013-07-05
通讯作者: 马淳安
作者简介:王晓娟(1983- ),女,博士,工程师。
基金资助:
国家质检总局科技计划项目(2009IK059);浙江省公益性技术应用研究计划项目(2012C37073);宁波市自然科学基金项目(2011A610089)。

Electrochemical oxidation characteristics of zinc O,O,O’,O’-tetrabutyl bis(phosphorodithioate)on glassy carbon electrode

WANG Xiaojuan^1,3, WU Beilei^1,3, MA Chun'an²

1. Ningbo Entry-Exit Inspection and Quarantine Bureau, Ningbo 315012, Zhejiang, China;
2. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, School of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China;
3. Ningbo Academy of Inspection and Quarantine, Ningbo 315012, Zhejiang, China

Received:2012-11-06 Revised:2013-02-28 Online:2013-07-05 Published:2013-07-05
Supported by:
supported by the Program of General Administration of Quality Supervision,Inspection and Quarantine of the People's Republic of China (2009IK059),the Applied Research Project of Public Welfare Technology of Zhejiang Province of China(2012C37073)and the Natural Science Foundation of Ningbo(2011A610089).

摘要/Abstract

摘要： 采用循环伏安法和计时电量法等测试方法,以玻碳(GC)电极为工作电极,研究了O,O-二丁基二硫代磷酸锌(ZBPD)在含0.5 mol·L^-1 LiClO₄的N,N-二甲基甲酰胺(DMF)水溶液(体积比9:1)中的电化学行为,并探讨了温度、扫描速率和底物浓度等因素对其电化学特性的影响。实验结果表明,ZBPD在GC电极表面的电氧化反应是受扩散控制的不可逆过程。估算了不同温度下ZBPD在DMF水溶液中的扩散系数D,进而求得其扩散活化能E_a约为29.52 kJ·mol^-1。

关键词: O,O-二丁基二硫代磷酸锌, 电氧化, 玻碳电极, 扩散系数

Abstract: The electrochemical oxidation of zinc O,O,O',O'-tetrabutyl bis(phosphorodithioate)(ZBPD)on glassy carbon electrode in DMF-H₂O solution was studied by cyclic voltammetry and chronocoulometry. The influences of temperature,scan rate and ZBPD concentration on the electrochemical characteristics of ZBPD were also investigated.The results showed that the electrochemical oxidation of ZBPD in DMF-H₂O solution was an irreversible process with one electron transferred,which was controlled by diffusion.Charge-time curve for the electrochemical oxidation of ZBPD in DMF-H₂O solution at various temperatures were obtained by chronocoulometry.In terms of the Cottrell equation,diffusion coefficient was estimated for each temperature,and it increased with temperature.According to the Arrhenius equation,the activation energy of diffusion of ZBPD in DMF-H₂O solution was calculated to be 29.52 kJ·mol^-1.

Key words: zinc O,O,O’,O’-tetrabutyl bis(phosphorodithioate), electrochemical oxidation, glassy carbon electrode, diffusion coefficient

中图分类号:

O646

王晓娟, 邬蓓蕾, 马淳安. O,O-二丁基二硫代磷酸锌在玻碳电极上的电氧化特性[J]. 化工学报, 2013, 64(7): 2550-2555.

WANG Xiaojuan, WU Beilei, MA Chun'an. Electrochemical oxidation characteristics of zinc O,O,O’,O’-tetrabutyl bis(phosphorodithioate)on glassy carbon electrode[J]. CIESC Journal, 2013, 64(7): 2550-2555.

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O,O-二丁基二硫代磷酸锌在玻碳电极上的电氧化特性

Electrochemical oxidation characteristics of zinc O,O,O’,O’-tetrabutyl bis(phosphorodithioate)on glassy carbon electrode

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