Controlled activation pH sensor
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United States of America Patent
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Sep 11, 2012
Grant Date -
Jan 29, 2009
app pub date -
Jul 25, 2007
filing date -
Jul 25, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention pertains to a means of combining and configuring specific hydrophilic and dielectric materials in such a way as to allow an antimony/reference electrode pH sensor to be packaged and stored dry yet become fully hydrated to an activated state after exposure to aqueous liquids. The sensor is packaged and stored dry to maintain component stability and minimize component degradation. When the user removes the sensor from the package and the sensor tip is submerged in a hydration (ion conduction) media or solution, the hydrophilic coating along with the impregnated reference wick, absorb the fluid to create an electrolytic gel inside the reference wick, which activates the pH sensor.
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