THE APPLICATION OF KRAMERS-KRONIG TRANSFORMS IN IMPEDANCE DATA ANALYSIS Ⅱ. ANALYSIS FOR VALIDATION OF IMPEDANCE DATA

J Chin Soc Corr Pro

1991, Vol. 11

Issue (2): 111-118 DOI:

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THE APPLICATION OF KRAMERS-KRONIG TRANSFORMS IN IMPEDANCE DATA ANALYSIS Ⅱ. ANALYSIS FOR VALIDATION OF IMPEDANCE DATA

Zhang Jianqing Cao Chunan (Corrosion Science Laboratory;Institute of Corrosion and Protection of Metals;Academia Sinica)

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Abstract A method used to check the reliability of impedance data by Kramers-Kronig transforms has been developed. The procedure consists of first,to fit experimental impedance data to the impedance expressions having true physical meaning and then,to extrapolate the fitting results to whole frequency range. In this way some errors in integral calculation can be avoided and the validity of the method can be improved. A fitting program which deals with the impedance spectra with three time constants has been proposed.

Received: 25 April 1991

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Zhang Jianqing Cao Chunan (Corrosion Science Laboratory;Institute of Corrosion and Protection of Metals;Academia Sinica). THE APPLICATION OF KRAMERS-KRONIG TRANSFORMS IN IMPEDANCE DATA ANALYSIS Ⅱ. ANALYSIS FOR VALIDATION OF IMPEDANCE DATA. J Chin Soc Corr Pro, 1991, 11(2): 111-118.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1991/V11/I2/111

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