In-tank electrochemical sensor

Details In-tank electrochemical sensor In-tank electrochemical sensor

1992-09-16

1994-03-22

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204409, 204412, 204434, G01N 2726

Patent

active

052961230

ABSTRACT:
An electrochemical sensor adapted for use in the electrochemical analysis of liquids. The sensor includes a cell assembly having a liquid flow control chamber, sensing chamber and liquid exit chamber. Liquids to be measured are pumped into the liquid flow control chamber where any turbulence in the liquid is dampened. The non-turbulent liquid is passed from the liquid flow control chamber to the sensing chamber. The sensing chamber includes a working electrode and a counter-electrode. The non-turbulent liquid is passed from the sensing chamber to the liquid exit chamber where it is contacted with a reference electrode. The liquid then exits the sensor. The sensor is well-suited for use in the electrochemical analysis of plating bath solutions where sub-milliampere type AC and DC voltammetric measurements are required in order to generate electrochemical spectra which are indicative of constituents present in the solution.

REFERENCES:
patent: 4496454 (1985-01-01), Berger
patent: 4631116 (1986-12-01), Ludwig

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