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Electrochemical impedance

The use of impedance electrochemical techniques to study corrosion mechanisms and to determine corrosion rates is an emerging technology. Elec trode impedance measurements have not been widely used, largely because of the sophisticated electrical equipment required to make these measurements. Recent advantages in micro-elec tronics and computers has moved this technique almost overnight from being an academic experimental investigation of the concept itself to one of shelf-item commercial hardware and computer software, available to industrial corrosion laboratories. [Pg.2437]

D.Y. Wang, and A.S. Nowick, Cathodic and anodic polarization phenomena at platinum electrodes with doped Ce02 as electrolyte. II. Transient overpotential and A-C Impedance, /. Electrochem. Soc. 126(7), 1166-1172(1979). [Pg.182]

Other electrochemical techniques covered include measurements of the corrosion potential, the redox potential, the polarization resistance, the electrochemical impedance, electrochemical noise, and polarization curves, including pitting scans. A critical review of the literature concerned with the application of electrochemical techniques in the study of MIC is available [1164]. [Pg.80]

Adsorption of glutathione on a gold electrode has been studied [310] using electrochemical quartz crystal impedance, electrochemical impedance spectroscopy, and CV. [Pg.874]

A Volta potential difference usually arises between two condensed phases when they come into contact. Because these phases have different chemical properties, charge may be redistributed at their interface with air, even though this interface carried no net charge before contact. Measurement of the Volta potential difference is possible in a high-impedance electrochemical cell which contains an air gap. The potential drop across this cell is determined under conditions for which the potential drop across the air gap is zero, and is known as the compensation potential difference. [Pg.408]

Surface plasmon resonance with amplification Impedance electrochemical immunosensor Fluorescent magneto-immunoassay ... [Pg.337]

The same arguments apply to testing low impedance materials as those for testing low impedance electrochemical cells. It is very important to use 4-terminal test techniques to ensure that the impedance of the connection cables does not invalidate the measurement of the material itself (refer to section 3.2.1.3 for more details). Typically, a stand alone 4-tenninal impedance analyzer is used for this type of measurement. A Faraday cage may also be required to screen very low impedance samples against interference since the voltage levels measured on low impedance samples is often very small (maybe in the mV region). [Pg.183]

Time resolved in situ liquid atomic force microscopy and simultaneous acoustic impedance electrochemical quartz crystal microbalance measurements a study of Zn deposition. Anal Chem 81(20) 8466-8471... [Pg.567]

I. Epelboin and M. Keddam, Faradaic imp>edances Diffusion impedance and reaction impedance, /. Electrochem. Soc. 117 1052 (1970). [Pg.209]

F. Y. Olivia, L. B. Avalle, V. A. Macagno, C. P. De Paulli, Study of human serum albumin-TiOl nanocrystalline electrodes interaction by impedance electrochemical spectroscopy, Bio-phys. Chem., 2001,91,2, pp. 141-155. [Pg.279]


See other pages where Electrochemical impedance is mentioned: [Pg.156]    [Pg.41]    [Pg.289]    [Pg.266]    [Pg.295]    [Pg.156]    [Pg.22]    [Pg.179]    [Pg.788]    [Pg.788]    [Pg.197]    [Pg.266]    [Pg.294]    [Pg.283]   
See also in sourсe #XX -- [ Pg.301 , Pg.304 ]

See also in sourсe #XX -- [ Pg.119 , Pg.120 , Pg.121 , Pg.122 , Pg.123 ]

See also in sourсe #XX -- [ Pg.443 , Pg.444 , Pg.445 ]




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Electrochemical impedance spectroscopy description

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Electrochemical impedance spectroscopy frequency region

Electrochemical impedance spectroscopy geometry

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