162 Understanding Your Agilent ChemStation
8 Automation
What is a Sequence/Sequence Template?
What is a Sequence/Sequence Template?
A sequence is a series of instructions that automates the analysis of samples.
A sequence can be used to automatically inject each sample, and to acquire
and analyze the data according to the method specified for that sample. Each
sample vial in a sequence may be analyzed with a different analytical method
and, thus, use different sets of chromatographic/electropherographic
conditions and evaluation parameters.
ChemStation introduces two data storage modes, to allow you to choose the
data storage model that matches your workflow. These modes have influence
of the sequence usage:
• Unique Folder Creation ON
• Unique Folder Creation OFF
Unique Folder Creation ON for consistency of sample data uses sequences as
“sequence templates” that can be used to run the acquisition multiple times;
however, they are not used for reprocessing in Method and Run Control. When
the sequence template is run, a sequence data container is created, containing
all related files. If the sequence template is reused, a new sequence data
container is created for each reuse
Unique Folder Creation OFF stores all data in one directory. The sequence *.s
files are not used as sequence templates, so re-executing a sequence again
might overwrite present data, if the data directory is not changed from the
user.
The available sequence/sequence templates (*.s) are visible in the
ChemStation Explorer. For quick and easy navigation, you can add additional
sequence/sequence template locations to the ChemStation Explorer selection
tree using the Paths tab of the Preferences dialog box.
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