AS Autosampler Operator’s Manual
86 Doc. 065051-03 1/08
NOTE If the AS is in concentrate mode, sample preparation
overlap is available only if the autosampler is controlled
by Chromeleon or Chromeleon Xpress. If the AS is
under front panel control, sample overlap is not
available.
3.6.11 Sequential Injections
The AS must be in sequential mode to perform sequential injections (see
Section 3.6.2
). In sequential mode, the AS delivers sample to two
separate chromatography systems. Each system is operated independently
and can have a different sample and sample volume injected.
NOTE Precision for partial-loop injections may be slightly
affected by the longer tubing length from the inject
port to the injection valve.
NOTE Figure 3-26
shows an injection to inject valve #1.
When the diverter valve is switched to position 2,
the injection sequence is identical, except that flow
is diverted to inject valve #2.
Sampler_InjectValve.InjectPosition ;Switch the inject valve
to Inject and sweep the
sample onto the column
5.000 BeginOverlap ;Start preparing the next
sample in the sequence
(see note below)
30.000 End
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