3 • Operation and Maintenance
Doc. 065051-03 1/08
87
Figure 3-26. Sequential, Full-Loop Injection Sequence
NOTE Partial-loop and partial-loop, limited-sample injections
can also be performed in sequential mode. The
sequences of events for these injection types are the
same as for normal mode, except for selection of the
diverter valve position.
Sample
Syringe
1. Draw air
3. Draw air again to
isolate the sample
4. Prepare to load sample
(excess sample used). Diverter
valve selects inject valve #1 or #2.
KEY
Eluent
LOAD
Pump
Column
6. Inject sample onto column.
Empty syringe (remaining
air bubble)
INJECT
Pump
Column
1
2
3
4
5
6
Waste
Waste
Flush
2. Draw sample (at
least 4X loop volume)
5. Deliver sample
to the loop (excess
sample sent to waste)
INJECT
Pump
Column
L
P
C
L
S
W
Inject Valve #1
Inject Valve #2
Waste
1
S
2
P
P
P
INJECT
Pump
Column
L
P
C
L
S
W
Waste
1
S
2
P
P
P
L
P
C
L
S
W
To Inject
Valve #2
1
S
2
P
P
P
To Inject
Valve #2
Inject Valve #1
Inject Valve #1
Unselected Valve
Air
Sample
Diverter Valve
Sample
Air
Flush
Summary of Contents for As
Page 1: ...AS Autosampler Operator s Manual Document No 065051 Revision 03 January 2008...
Page 190: ...AS Autosampler Operator s Manual 178 Doc 065051 03 1 08...
Page 238: ...AS Autosampler Operator s Manual 226 Doc 065051 03 1 08...
Page 338: ...AS Autosampler Operator s Manual 326 Doc 065051 03 1 08...
Page 355: ...Index Doc 065051 03 1 08 Index 17 Z Z address 255...
Page 356: ...AS Autosampler Operator s Manual Index 18 Doc 065051 03 1 08...