Glass pH electrodes
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United States of America Patent
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Apr 19, 1994
Grant Date -
N/A
app pub date -
Feb 11, 1993
filing date -
Jul 12, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A glass pH electrode which comprises a silver-silver chloride or a mercury-mercurous chloride inner electrode and an electrode filling solution for the inner electrode which is a zwitterionic buffer solution containing chloride ions.
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