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Column heater, major components:
The following diagram shows the column heater’s major components.
Column heater components:
Component Description
Column
compartment
Contains the column, column heater, in-line filter, and
active preheater or column stabilizer assembly. The
column compartment insulates the column from changes
in ambient temperature. For MS applications, the
assembly can be mounted on an external bracket on the
right-hand side of the chassis, reducing the distance to
the inlet probe of a mass spectrometer.
In-line filter Protects the analytical column against contamination by
trapping impurities before they reach the column.
Active preheater
assembly
Heats the incoming solvent to the specified column
temperature before the solvent enters the column.
Active preheater
key
In the 30-cm column heater, installed in the control port
not occupied by the active preheater.
Active preheater
retainer
Secures the active preheater in the column
compartment.
eCord receptacle Receives the column eCord™ chip, which stores column
manufacturing and usage data.
Column
compartment tray
Location of
column
Fitting
Active preheater
retainer
Active preheater
assembly
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