3 • Operation and Maintenance
Doc. 065051-03 1/08 83
Setting Up a Concentrate Mode Injection
1. Install a concentrator column on the injection valve.
2. If the sample syringe volume is greater than 1 mL, install an 8.5 mL
sampling needle assembly (P/N 061267). See Section 5.4
for
installation instructions.
3. On the
SYSTEM PARAMETERS screen, select CONCENTRATE in the
SAMPLE MODE field.
4. For front panel control, select
METHOD SYRINGE and FLUSH
SYRINGE
speeds on the SYSTEM PARAMETERS screen.
5. For Chromeleon or Chromeleon Xpress control, enter the syringe
speed in the Program Wizard. 1 is the slowest speed and 5 is the
fastest. You can enter separate aspirate and dispense speeds for the
Concentrate, Reagent Flush, and Reagent Prime functions. In general,
use a faster speed for aspirating and a slower speed for dispensing
fluid to the concentrator. See Section 3.7
for details about selecting
syringe speeds.
NOTE If a 5 or 10 mL syringe is installed, the dispense
speed is limited to speed 1 or 2 only.
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