Sensor for electrochemical measurements
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United States of America Patent
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Feb 6, 1996
Issued Date -
N/A
app pub date -
Mar 25, 1993
filing date -
Aug 8, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a sensor for the direct and continuous measurement of the electrochemical properties of compounds in a high resistivity liquid. The sensor has a housing which includes a porous hydrophilic membrane which may be made of a ceramic, and contains an electrolytic solution. The membrane permits the passage of a portion of the electrolytic solution into the pores thereby facilitating the formation of an interface between the electrolytic solution and the high resistivity liquid and allowing extraction of the compounds in the high resistivity liquid into the electrolytic solution. A porous sensing electrode is positioned directly on the membrane for detecting and measuring the concentration of the compounds extracted from the high resistivity fluid.
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