Hitachi CHROMASTER 5160 Instruction Manual page 829

Syringe valve
4
vf + vi
+ vd
Plunger
+ va
wash
Syringe
Wash
fluid1
(7)
Buffer tube
Injection valve
3 2
1
5
Wash pump
P
3-way solenoid valve
Degassing
unit
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.)
Wash
fluid2
Sample loading
Deliver the sample into the sample loop.
The syringe discharges [vf + vi + va + vd : Feed volume +
Injection volume + Air volume + Dead volume (inside
parameter)], and delivers a sample into the loop.
5
Loop
6
Waste
1
solution
Degassing unit
From Pump To Column
2 - 33
Needle
Injection port
4
vf
3
Waste
2
solution
Wash port
Rack
Sample