Vials and Bottles 6
Installation, Operation, and Maintenance 127
Part 2, Operation
Reduced solvent and sample usage
Solvent and sample washes by default use 80% of the syringe capacity. Solvent
and sample can be conserved by reducing this volume. This is done by
configuring each injector’s solvent saving setting. This feature is not available
when using the 5890 GC.
The solvent wash can be set to use less than the usual 80%. This modifies the
solvent wash process as follows:
1 The syringe draws in solvent to the percent specified, which can be as little
as 20% of the syringe size.
2 The syringe and needle rise out of the solvent bottle.
3 The plunger rises to the 80% mark, rinsing the syringe barrel with solvent,
followed by air.
4 The solvent and air are discharged into a waste bottle.
Confirm that sample carryover (see “Sample Carryover" on page 79) is not a
problem with the reduced solvent washes.
CAUTION
Teflon-tipped syringes must be used to lubricate the barrel wall. Standard syringes, will
fail quickly with limited lubrication.
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