Reference electrode with a polymeric reference electrode membrane
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United States of America Patent
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Sep 21, 2004
Grant Date -
May 30, 2002
app pub date -
Sep 22, 2001
filing date -
Sep 30, 2000
priority date (Note) -
Expired
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Abstract
Disclosed is a polymeric reference electrode membrane comprising (a) one selected from a porous polymer or a hydrophilic plasticizer; (b) a lipophilic polymer; and optionally an adhesion-enhancing material. A reference electrode equipped with the polymeric reference electrode membrane can be shortened the preconditioning time, and extended lifetime for storage and use owing to excellent adhesion, and showed reproducibility and good yield. So, a miniaturized multi-potentiometric sensor can be fabricated comprising a solid-state reference electrode of the present invention and a set of ion-selective electrodes, thus being useful in the potentiometric fields, including clinical, environmental, food and industrial analysis.
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