(2) Aspiration of the wash fluid1
The syringe aspirates [vf + vd :Feed Dead volume
(inside parameter)] of fluid1. Switch the syringe valve to the
wash port side (port1) after aspiration of the wash fluid1.
When [wash before sample aspiration] is set, refer to the
following operation.
Washing of the needle outer wall and the injection port flow path.
Deliver the wash fluid1 with the wash pump, move the needle
into the wash port, and wash the needle outer wall.
Wash the injection port flow path with the wash fluid1 after the
needle has moved into the wash port (the same as 2.3.3 Cut
injection method procedure (9)).
And when [fluid2 wash] is set, wash the injection port flow
paths using the wash fluid2 (the same as 2.3.3 Cut injection
method procedure (10)).
Buffer tube
Syringe valve
Syringe
Injection valve
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.)
5
1
3
2
Needle
5
4
3
2
1
4
6
Loop
Sample
Rack
P
Injection port
Waste
solution
Waste
solution
Wash port
From Pump To Column
Plunger
wash
Wash pump
Wash
fluid1
Wash
fluid2
Degassing
unit
3-way solenoid valve
2 - 28
Summary of Contents for CHROMASTER 5160
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