Transient technique to determine solution resistance for simple

Details Transient technique to determine solution resistance for simple Transient technique to determine solution resistance for simple

1993-11-05

1995-09-05

Regan, Maura K.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324 712, 2041531, 204404, G01N 1702, G01N 2726

Patent

active

054481783

ABSTRACT:
An apparatus and a method are provided for determining solution resistance and corrosion rate of a metal surface contained in a solution such as an electrode. The signal is applied to the metal surface of interest and the current response is monitored from the applied signal. A peak detector is provided for detecting the peak of the current response. From the peak, the resistance of the solution is ascertained. Following independent determination of the solution resistance, polarization resistance of the metal surface in the solution may be determined. The corrosion rate of the metal surface may be calculated from the polarization resistance.

REFERENCES:
patent: 4095176 (1978-06-01), Maes et al.
patent: 4238298 (1980-12-01), Tsuru et al.
patent: 4831324 (1989-05-01), Asakura et al.
patent: 5139627 (1992-08-01), Eden et al.

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