Solid phase calibration standards
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United States of America Patent
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Sep 24, 1996
Issued Date -
N/A
app pub date -
Dec 7, 1994
filing date -
Aug 24, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Solid phase ionic calibration standards are disclosed that comprise sparingly and selectively soluble solids. The calibration standards are especially useful in calibration pH electrodes used to monitor weak ionic strength solutions, and permit rapid pH electrode recovery times.
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