Agilent Technologies 7890A Troubleshooting Manual page 33

Poor Peak Resolution
Troubleshooting
• Set column flow to optimum linear velocity.
• Install and use deactivated consumable parts in the inlet
(for example, a liner).
• Perform column maintenance: Bake out contaminants,
remove the contaminated length of column near the inlet,
and reverse and bake out the column as needed.
• Check column installation at both ends.
• Select a higher resolution column.
Chromatographic Symptoms
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