PH measurement system
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United States of America Patent
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Issued Date -
May 6, 2004
app pub date -
Nov 5, 2002
filing date -
Nov 5, 2002
priority date (Note) -
Abandoned
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Abstract
A pH measurement system automatically measures the pH of samples in purge and trap sample concentrators, autosamplers or other sample delivery devices. The pH measurement system includes a pH sensor that is positioned in a pH sample reservoir. The pH sample reservoir may be automatically filled with sample from a sparge vessel, calibrated using liquid having known pH, or rinsed. A controller enables and disables the valves and pump to transmit the liquid to the pH sample reservoir.
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