Hitachi CHROMASTER 5160 Instruction Manual page 816

Syringe valve
4
Plunger
vi
wash
Degassing
unit
Syringe
Wash
fluid1
(7)
Buffer tube
Injection valve
3 2
1
5
Wash
pump
P
3-way solenoid valve
Wash
fluid2
Sample loading
Deliver the sample into the sample loop.
vl
5
Loop
6
Waste
1
solution
Degassing unit
From Pump To Column
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 - 20
Needle
Injection port
4
3
vi
Waste
2
solution
Wash port
Rack
Sample