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1 The ACQUITY Refractive Index Detector
Flow path during purge:
Relief valve
(open)
Purge out
It is best to purge the flow cell before an analysis. In doing so, you pass fresh
mobile phase into the reference side of the cell. No chromatographically
significant data is available during a purge.
An icon in the console indicates when the detector is undergoing a purge.
28
October 13, 2014, 715003547 Rev. C
End cap heat
Flow cell
exchanger
R
S
Fluid path for
purge mode
Counter current
heat exchanger
Tee connection
Purge valve
(closed)
Waste out
Cross
connection
Sample in
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