pH Electrode and Electrolyte
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Aug 27, 2012
filing date -
Feb 25, 2008
priority date (Note) -
Abandoned
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Abstract
A pH half-cell method and apparatus includes an electrode, a pH sensitive glass membrane and an electrolyte in electrolytic contact with the electrode and membrane. The membrane includes at least about 15 mole percent lithium, and the electrolyte includes a lithium salt as the predominant monovalent cation. The pH half-cell is used with a reference half-cell and meter to provide an electrochemical potential measurement sensor, optionally with both half-cells disposed within a single housing. The lithium salt electrolyte is also used in a method for storing, conditioning, preserving and/or rehabilitating a pH half-cell.
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