Overview of the 7890B GC
Getting Started 21
The GC column and oven
GC columns are located inside a temperature- controlled oven. Generally,
one end of the column is attached to the inlet, while the other end is
attached to the detector.
Columns vary in length, diameter, and internal coating. Each column is
designed for use with different compounds.
The purpose of the column and the oven is to separate the injected
sample into individual components as the sample travels through the
column. To aid this process, the GC oven can be programmed to speed the
sample flow through the column.
Agilent also offers Low Thermal Mass (LTM) columns. These columns
mount in a special oven door and provide fast heat- up and cooldown
cycles.
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