Planar open reference electrode for use in voltammeric measuring chains
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United States of America Patent
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May 27, 2003
Grant Date -
N/A
app pub date -
Apr 12, 2000
filing date -
Apr 13, 1999
priority date (Note) -
Expired
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Abstract
The invention relates to reference electrodes for use in voltammetric measuring chains for oxidative as well as reductive detection of analytes, which are open with respect to the measuring medium. A metal-containing phthalocyanine or a metalloporphyrin is employed as potential-determining electrode material for reference electrodes of the invention used in oxidative detection. A fourth period metal, preferably copper, and a salt of said metal is employed as potential-determining electrode material for reference electrodes of the invention used in reductive detection. The potential-determining electrode material is coated as a layer or component of a layer on a planar support. The open reference electrodes according to the invention are particularly suited for voltammetric chemo- or biosensors having a planar structure.
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