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Troubleshooting
This chapter discusses the possible causes and the solutions for
chromatography problems or instrument failures.
Chromatography Problems
No Peaks
Probable Causes
• Vial cracked
• Vial cap leaking
• Sample vial empty.
• 10 ml vial used without adapter.
• Method not sensitive enough.
• Leaks in the system.
• Needle broken/clogged.
• Sample condensed in the loop or transfer line.
• Sample loop not filled with sample.
• Inject time too short.
• Sample did not create headspace.
• Incorrect vial sampled.
• Vial not punctured (may be due to mechanical failure or vial elevator jam).
• Transfer line plugged.
Suggested Actions
1. Check that the proper vial is sampled and that the vial contains sample.
2. Use adapters with 10 ml vials.
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