102 1220 Infinity II LC System User Manual
6
Injection System Description
Manual Injector
INJECT Position
In the INJECT position (see Figure 30 on page 102), the pump is connected to
the sample loop (ports 5 and 6 connected). All of the sample is washed out of
the loop onto the column. The needle port is connected to the vent tube (port
2).
Figure 30 INJECT Position
Needles
Use needles with 0.028-inch outer diameter (22 gauge) × 2-inch long needle,
without electro-taper, and with 90° point style (square tip).
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