Streaming potential measuring cell
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United States of America Patent
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Mar 5, 1996
Grant Date -
N/A
app pub date -
Nov 12, 1993
filing date -
May 13, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cell for measuring electrokinetic potential, such as a streaming potential, includes a housing having an interior chamber divided into an upper compartment and a lower compartment by a filter mesh on which is formed a pad of a fibrous dispersion to be measured. The cell is of particular utility in the manufacture of paper and is used in the manner described in U.S. Pat. No. 4,535,285. To assist flushing of the fiber pad from the filter mesh a nozzle assembly in the upper compartment is used to direct a jet of water at the filter mesh. An additional step to flush out fibrous material reaching the upper compartment is described. This uses an additional port.
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