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Analytical Sequences
Defining a sequence
Priority sequence
A priority sequence is a way to interrupt a running sequence to analyze one or
more urgent samples. It consists of a single subsequence, either sampler or valve
type, and a special Use priority parameter.
•If Use priority is Off, the Priority Sequence does nothing. It can be
activated at any time, even when the sequence is running, by opening the
sequence and changing the value to Yes.
•If Use priority is On, then:
1. The sequence pauses when the current run ends.
2. The priority method is loaded. The priority samples are run, as specified
in the priority sequence.
3. The Use priority parameter is turned Off.
4. The main sequence resumes where it paused.
Figure 39 Priority sequences
Subsequences
A subsequence can use either an automatic liquid sampler or a sampling valve
for injection. It uses one method to analyze a group of samples.
Sampler Valve
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