The Coulostatic Method: Analysis of Error and Computation of Parameters

H. Reller; E. Kirowa-Eisner

doi:10.1149/1.2129989

The Coulostatic Method: Analysis of Error and Computation of Parameters

H. Reller, E. Kirowa-Eisner

School of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Analysis of error has been carried out for the coulostatic method. The optimal time scale for the determination of i₀ has been shown to be equal to 2T_C. The determination of i₀ is based on the computer curve-fitting of a set of points on the transients to the analytical equation of potential decay. The uncertainty in the determination of i₀ depends only on the ratio t_c/d. Highest accuracy is otbained for T_c/d > 500, where the uncertainty in the determination of i₀ is 3.3 times that for the measurement of the potential. Reasonable accuracy can be obtained for values of _CAd not less than 0.5. An iteration method for the simultaneous determination of i₀ and Cdi has been outlined.

Original language	English
Pages (from-to)	1725-1730
Number of pages	6
Journal	Journal of the Electrochemical Society
Volume	127
Issue number	8
DOIs	https://doi.org/10.1149/1.2129989
State	Published - 1980

Keywords

computer
coulostatic method
decay

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10.1149/1.2129989

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abstract = "Analysis of error has been carried out for the coulostatic method. The optimal time scale for the determination of i0 has been shown to be equal to 2TC. The determination of i0 is based on the computer curve-fitting of a set of points on the transients to the analytical equation of potential decay. The uncertainty in the determination of i0 depends only on the ratio tc/d. Highest accuracy is otbained for Tc/d > 500, where the uncertainty in the determination of i0 is 3.3 times that for the measurement of the potential. Reasonable accuracy can be obtained for values of CAd not less than 0.5. An iteration method for the simultaneous determination of i0 and Cdi has been outlined.",

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AB - Analysis of error has been carried out for the coulostatic method. The optimal time scale for the determination of i0 has been shown to be equal to 2TC. The determination of i0 is based on the computer curve-fitting of a set of points on the transients to the analytical equation of potential decay. The uncertainty in the determination of i0 depends only on the ratio tc/d. Highest accuracy is otbained for Tc/d > 500, where the uncertainty in the determination of i0 is 3.3 times that for the measurement of the potential. Reasonable accuracy can be obtained for values of CAd not less than 0.5. An iteration method for the simultaneous determination of i0 and Cdi has been outlined.

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The Coulostatic Method: Analysis of Error and Computation of Parameters

Abstract

Keywords

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