引用本文:
金文睿, 任艺兵. 搅拌下吸附富集时不可逆过程峰电流方程式[J]. 应用化学,
1988, 5(2): 93-95.
Citation: Jin Wenrui, Ren Yibing. ON THE PEAK CURRENT EQUATION FOR IRREVERSIBLE PROCESS ON A SPHERICAL ELECTRODE UNDER STIRRING[J]. Chinese Journal of Applied Chemistry, 1988, 5(2): 93-95.
Citation: Jin Wenrui, Ren Yibing. ON THE PEAK CURRENT EQUATION FOR IRREVERSIBLE PROCESS ON A SPHERICAL ELECTRODE UNDER STIRRING[J]. Chinese Journal of Applied Chemistry, 1988, 5(2): 93-95.
搅拌下吸附富集时不可逆过程峰电流方程式
English
ON THE PEAK CURRENT EQUATION FOR IRREVERSIBLE PROCESS ON A SPHERICAL ELECTRODE UNDER STIRRING
Abstract:
The peak current equation for irreversible process on a spherical electrode in a stirred solution for linear sweep adsorption voltammetry, corresponding to the case of a strong adsorption, can be expressed as follows ip=ip(ta)+ip(tr)=K'vD2/3ro2v-1/6ω1/2taC*+ip(tr) where ip(ta) is the peak current for the preconcentration time(ta) in a stirred solution; ip(tr) is the peak current for the rest period, tr,v is the scan rate; D is the diffusion coefficient; ro is the radius of the spherical electrode; ω is the angular velocity of the solution; v is the kinematic viscosity, C* is the bulk concentration of the, depolarizer; K' is a constant. The equation has been verified experimentally for system of Co(Ⅱ)-dimethylglyoxime in NH3/NH4Cl.
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Key words:
- Linear sweep adsorption voltammetry
- / Peak current equation
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