Metrohm 889 IC Sample Center - Manual (Page 32)

4.4 Partial loopfill injection
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889 IC Sample Center
4.4 Partial loopfill injection
The switchover sequence for the partial loopfill injection is as follows:
1 Initial situation
The injection valve is in INJECT position. The sample needle pene-
trates the vial with the air needle. An overpressure channeled in
through the air needle ensures that no air or steam bubbles form
during the aspiration of the sample.
2 Rinsing the aspirating line