Hitachi CHROMASTER 5160 Instruction Manual page 815

4
Plunger
wash
Syringe
Wash
fluid1
(6)
Buffer tube
3
2
1
5
Wash
pump
P
3-way solenoid valve
Degassing
unit
Wash
fluid2
Pressure release (LOAD switch)
Switch the injection valve to the LOAD side to release
pressure in the loop.
vl
Injection valve
5
Loop
6
Waste
1
solution
Degassing unit
From Pump
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.)
2 - 19
Needle
Injection port
4
3
Waste
2
solution
Wash port
To Column
Rack
Sample