5Methods
70 Operation Manual
What is a Method?
A method is the group of settings required to analyze a specific sample.
Since every type of sample reacts differently in the GC—some samples require a higher oven
temperature, others require a lower gas pressure or a different detector—a unique method
must be created for each specific type of analysis.
The GC also can store several specialized methods. The GC stores three methods used for
resource conservation, called SLEEP, CONDITION, and WAKE. When configured for use with an
attached MS, the GC also provides a method called MS VENT, used to change GC setpoints to
values appropriate for a safe MS venting process. Create these methods using an Agilent data
system. See “Resource Conservation” for more information about these specialized methods.
Methods can be created and edited using the Browser Interface. Methods can also be created,
edited, and stored on a connected data system. While a data system is connected to your GC,
any attempt to connect to your GC via the Browser Interface will result in the Browser Interface
having limited functionality. You will not be able to edit methods, edit sequences, and start or
stop runs until the data system is disconnected. Similarly, once a Browser Interface is
connected to your GC, any subsequent Browser Interfaces attempting to connect will not be
able to edit methods, edit sequences, and start or stop runs until the first session is
disconnected.
Methods and sequences created using the Browser Interface are not directly accessible from
a connected data system. Methods and sequences created using a connected data system
are not directly accessible using the Browser Interface.
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