| 电化学测试中溶液电阻的自动测量与补偿 |
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| 引用本文： | 包宇,袁福宇,张玺,杨贵福,刘先毅,王伟,牛利.电化学测试中溶液电阻的自动测量与补偿[J].分析化学,2011,39(6):939-942. |
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| 作者姓名： | 包宇 袁福宇 张玺 杨贵福 刘先毅 王伟 牛利 |
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| 作者单位： | 包宇,袁福宇,王伟,牛利,BAO Yu,YUAN Fu-Yu,WANG Wei,NIU Li(中国科学院长春应用化学研究所现代分析技术工程实验室,电分析化学国家重点实验室,长春,130022);张玺,ZHANG Xi(吉林大学电子科学与工程学院电子信息工程系,长春,130012);杨贵福,刘先毅,YANG Gui-Fu,LIU Xian-Yi(中国科学院长春应用化学研究所现代分析技术工程实验室,电分析化学国家重点实验室,长春,130022;东北师范大学计算机科学与信息技术学院,长春,130117) |
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| 基金项目： | 国家自然科学基金，中国科学院科研装备研制项目 |
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| 摘 要： | 由16位DAC器件作为分压器,设计了恒电位仪以及正反馈补偿电路,实现了对溶液电阻的自动测量和补偿,同时采用高阻抗体系对其溶液电阻测量的准确性和补偿效果进行了验证.结果表明,溶液电阻最高补偿值可达1.0×10(8)Ω,在可补偿电阻范围内,自动电阻测量误差最大不超过1.5%,平均误差小于0.5%.本实验设计的电路可以较精确...
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| 关 键 词： | 恒电位仪 溶液电阻补偿 电流响应 |
Automatic Measurement and Compensation of Solution Resistance for Electrochemical Measurements |
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| BAO Yu,YUAN Fu-Yu,ZHANG Xi,YANG Gui-Fu,LIU Xian-Yi,WANG Wei,NIU Li.Automatic Measurement and Compensation of Solution Resistance for Electrochemical Measurements[J].Chinese Journal of Analytical Chemistry,2011,39(6):939-942. |
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| Authors: | BAO Yu YUAN Fu-Yu ZHANG Xi YANG Gui-Fu LIU Xian-Yi WANG Wei NIU Li |
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| Institution: | BAO Yu1,YUAN Fu-Yu1,ZHANG Xi3,YANG Gui-Fu1,2,LIU Xian-Yi1,WANG Wei1,NIU Li1 1(Engineering Laboratory for Modern Analytical Techniques,State Key Laboratory of Electroanalytical Chemistry,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022) 2(School of Computer Science and Information Technology,Northeast Normal University,Changchun 130117) 3(College of Electronic Science & Engineering,Jilin University,Changchun 130012) |
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| Abstract: | A newly home-built electrochemical workstation with a multifunctional positive feedback circuit has been designed by the 16-bit Digital to Analog Converter(DAC) as a voltage divider device for performance evaluation,which allows functions of automatic measurements and compensations of solution resistance when being essential in the experimental research.Both the accuracy and the validity of this proposed design were further closely examined by virtue of a high impedance organic phase test.The experimental r... |
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| Keywords: | Potentiostat Solution resistance compensation Current response |
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