Fast Evaluation of Differential Capacity and Surface Charge in Electrical Double Layers with A.C. Oscillopolarography

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Title:Fast Evaluation of Differential Capacity and Surface Charge in Electrical Double Layers with A.C. Oscillopolarography
Creators:
Bi, Shuping
Gao, Hong
Tang, Wei
Yang, Zhiguo
Du, Sidan
You, Xiang
Wang, Jiehui
Zhang, Mingquan
Journal or Publication Title:
Collection of Czechoslovak Chemical Communications, 65, 3, pp. 371-379
Uncontrolled Keywords:Mercury electrode, Oscillopolarography, Polarography, Electrochemistry

Abstract

The application of a.c. oscillopolarography for a fast evaluation of differential capacity and surface charge in electrical double layers on the mercury electrode is described. The <i>C</i><sub>d</sub> = <i>f</i>(<i>E</i>), <i>Q</i> = <i>f</i>(<i>E</i>) and γ = <i>f</i>(<i>E</i>) functions are displayed. The obtained values of differential capacity and surface charge densities are in agreement with those from the a.c. bridge method. The new method has the distinct advantages of a rapid analytical procedure, visual detection, very simple manipulation and low-cost instrumentation. It is very useful in practical analysis where accurate values of differential capacity and surface charge are not required. <p>

Title:Fast Evaluation of Differential Capacity and Surface Charge in Electrical Double Layers with A.C. Oscillopolarography
Creators:
Bi, Shuping
Gao, Hong
Tang, Wei
Yang, Zhiguo
Du, Sidan
You, Xiang
Wang, Jiehui
Zhang, Mingquan
Uncontrolled Keywords:Mercury electrode, Oscillopolarography, Polarography, Electrochemistry
Divisions:Life and Chemical Sciences > Institute of Organic Chemistry and Biochemistry > Collection of Czechoslovak Chemical Communications
Journal or Publication Title:Collection of Czechoslovak Chemical Communications
Volume:65
Number:3
Page Range:pp. 371-379
ISSN:0010-0765
E-ISSN:1212-6950
Publisher:Institute of Organic Chemistry and Biochemistry
Related URLs:
URLURL Type
http://dx.doi.org/10.1135/cccc20000371UNSPECIFIED
ID Code:1647
Item Type:Article
Deposited On:06 Feb 2009 17:11
Last Modified:06 Feb 2009 16:11

Citation

Bi, Shuping; Gao, Hong; Tang, Wei; Yang, Zhiguo; Du, Sidan; You, Xiang; Wang, Jiehui; Zhang, Mingquan (2000) Fast Evaluation of Differential Capacity and Surface Charge in Electrical Double Layers with A.C. Oscillopolarography. Collection of Czechoslovak Chemical Communications, 65 (3). pp. 371-379. ISSN 0010-0765

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