G - Physics – 01 – N
Patent
G - Physics
01
N
323/34
G01N 27/49 (2006.01) G01N 27/416 (2006.01)
Patent
CA 1126335
AN IMPROVED POTENTIOSTAT FOR USE WITH ELECTROCHEMICAL CELLS Abstract of the Disclosure An improved potentiostat for use with electro- chemical cells provides dynamic protection of both the electrochemical cell elements and the sensitive poten- tiostat components from any significant voltage or current overload. A comparator compares the potentiostat input voltage with the electrochemical cell reference electrode voltage. When the reference electrode vol- tage becomes substantially different from the potentio- stat input voltage and exceeds a certain preset value, the comparator activates a control means that causes the cell current to go to zero. This system provides dynamic protection even as the input voltage varies. SA978054
343627
Galwey Ronald K.
Kanazawa Kay K.
International Business Machines Corporation
Kerr Alexander
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