Sample separator having impedance interface detector
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United States of America Patent
Stats
-
May 16, 1995
Grant Date -
N/A
app pub date -
Apr 29, 1993
filing date -
May 1, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The sample separator including a first suction nozzle, serving also as an electrode, for extracting one of first and second components each having an impedance different from each other, a second suction nozzle, serving also as an electrode, for extracting the other component, a nozzle driving member for ascending/descending the nozzles as one unit, and an interface detecting member for detecting an interface between two components. The interface detecting member further including an impedance detector for detecting an impedance between the two nozzles serving also as the electrodes, a storing section for storing a first threshold value to detect the first component, and an operation control member for comparing the first threshold value stored in the storing member with a detected value obtained by the impedance detector, and for controlling the nozzle driving member based on a result of the comparison.
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