Hitachi ChromasterUltra Rs 6270 Instruction Manual page 78

2.2 Operating Principle and Functional Description
Figure 2-34 Injecting the Sample (LOAD → INJECT Switching)
(h) Sample injection (INJECT switching)
Switch the injection valve to the INJECT side to load the
sample into the flow path.
vd :Dead volume (the instrument inside parameter)
vi :Injection volume (the sample net volume to the flow path)
vf :Feed volume (the wash fluid volume to deliver a sample to the loop)
va :Air volume (the air volume which sample is sandwiched.)
Refer to Section 2.2.3(1) (i) to (l) for completion of the analysis after
this operation.
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