Agilent Technologies InfinityLab LC Series User Manual page 21

1
Introduction
Operating Principle
Then the vial is positioned below the needle. The needle moves down into the
vial, the metering unit draws the required sample volume into the loop, and
the needle is raised. In the next step, the needle is washed (see Figure 6 on
page 21).
Figure 6 Outer face of needle getting washed in wash port
Agilent InfinityLab LC Series Vialsamplers User Manual 21