Varian 450-GC, User Manual

Page: 196 / 205

Technical Tips
Page: 460 User Manual 450-GC Varian, Inc.
Sympto m Cause Remedy
Instrument problem.
detector body connection
Condition the column or
bake out the column as
described in Section 4. In
badly contaminated
systems, it may be
necessary to lift the
detector crossover from
the ion oven, then heat
the lines and crossover
with a flame while purging
with an inert gas.
Install an uncoated test
column and repeat the
temperature program.
High boiling compounds, C
60
through C
80
, not eluting
Wrong flame tip. Change to ceramic flame
tip,
P/N 03-918351-00.
Syringe hits insert Glass insert installed upside
down (wrong end facing up). Reverse glass insert.