Capillary bridge in apparatus for determining ionic activity
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United States of America Patent
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-
Jun 16, 1981
Grant Date -
N/A
app pub date -
Jun 20, 1979
filing date -
Jun 20, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device is disclosed for determining ion activity in liquid solutions by the use of electrodes over which a cover sheet with an internal capillary bridge promotes ionic migration between the electrodes. The cover sheet is formed of a porous material ribbon encapsulated in a nonporous web. Preferably, the cover sheet is punched at each electrode to provide fluid access holes for receiving drops of liquid solutions.
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