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C A U T I O N
Getting Started
2 See
Figure 36
for the rest of the procedure. Gently insert the
column as far as possible into the detector (about 40 mm)
until it bottoms; do not attempt to force it further. Follow it
with the ferrule and column nut.
Detector base
Ferrule
Brass nut
Liner
Column ferrule
Column nut
Column
Figure 36
Install the checkout column in an FID or NPD
3 Finger-tighten the nut, withdraw the column approximately
1 mm, and tighten the nut an additional 1/4-turn with a
wrench.
4 Leak-test the installation at the column nut. If necessary,
tighten fitting(s) further only enough to stop leakage.
Leak-detection fluids often leave contaminating residues. After each
application, rinse the area checked with CH
to dry.
Preparing for Operation
OH (methanol) and allow
3
73
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