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2.2 Operating Principle and Functional Description
Figure 2-19 Injecting the Sample (LOAD → INJECT Switching)
(h)
Sample injection (INJECT switching)
Switch the injection valve to the INJECT side from the
LOAD side to load the sample into the flow path.
Move the syringe to the top dead point (vr) after
switching the injection valve.
vd: Dead volume (the instrument inside parameter)
vi: Injection volume (the sample net volume to the flow path)
vl: Lead volume (forward part, cut volume)
vr: Rear volume (rearward part, cut volume)
va: Air volume (the air volume which sample is sandwiched.)
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