7
Troubleshooting
Investigating Baseline Issues
120
TSQ 8000 Evo User Guide
Thermo Scientific
Noisy
Chromatographic
Peaks
General
Excessive column bleed
at high oven temperatures
Reduce the column temperature.
Bake out the column.
Install a high-temperature column.
Install oxygen filters in carrier gas line.
Check pneumatic and inlet systems for
leaks.
Use correct gas purity with low oxygen
content.
Column is contaminated
or damaged
Condition or replace the column.
Oven temperature is higher
than column’s maximum
allowable temperature
Reduce oven temperature to the
maximum allowable temperature of the
column.
Leak at column fittings
Find leak. Tighten fittings if loose.
Replace ferrule if overtightened.
Transfer line temperature is not set too
low.
Behavior
Characteristic
Cause
Remedy
Содержание TSQ 8000
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