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
Agilent InfinityLab LC Series Vialsamplers User Manual
Wash
Vial
port
Outer face of needle getting washed in wash port
Sampling loop
Needle
seat
Figure 6 on page 21).
Solvent
Wash
pump
Metering
device
21