4 Maintaining Capillary Columns
To Remove the Ferrule From a CFT Fitting
Maintaining Your GC 47
To Remove the Ferrule From a CFT Fitting
Loosen and remove the internal nut. If the ferrule does not release from the fitting, do not try to
pull the column free. Insert a pointed object (such as a thumb pin or a paper clip) into the
ferrule release hole, as shown in Figure 19, and press firmly. You will hear a click as the ferrule
releases.
Figure 19. Release the ferrule (Ultimate Union fitting shown)
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