Electrochemical measurement cell
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United States of America Patent
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Feb 13, 1990
Grant Date -
N/A
app pub date -
Sep 28, 1988
filing date -
Nov 28, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrochemical cell comprising two electrodes, wherein one of said electrodes is suitable for use as a reference electrode in electrochemical measurements, said device comprising (a) a capillary fill cell capable of receiving a small volume of aqueous sample liquid, said cell incorporating (b) a redox electrode located within said capillary fill cell, and (c) a reagent layer comprising quinhydrone located in said cell in a dry adherent water-soluble layer adherent to an inner surface of said cell opposite to or overlying said redox electrode and capable of dissolving during use in aqueous sample liquid in the region of said redox electrode.
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