Agilent Technologies InfinityLab LC Series User Manual page 19

11 The gripper arm moves out of the needle station and the wash port snaps
12 The gripper arm replaces the vial, and returns to the home position.
13 The injection valve switches to the mainpass (main path) position.
Injection Sequence
Before the start of the injection sequence, and during an analysis, the injection
valve is in the mainpass (main path) position (see
position, the mobile phase flows through the autosamplers metering device,
sample loop, and needle. This ensures that all parts in contact with sample are
flushed during the run, thus minimizing carry-over.
Figure 4
Agilent InfinityLab LC Series Vialsamplers User Manual
back in position.
Simultaneously, the needle lowers into the seat.
Mainpass (main path) Position - standard position during runs and when the
sampler is idle
Introduction
Operating Principle
Figure 4 on page 19). In this
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