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How to avoid trouble
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Diagnosing 'bad' chromatograms
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Before you call the service dept!
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GC troubleshooting advanced course
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Systematic problem solving
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Rules of thumb & checklist
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The gas system
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Injection
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The column
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The detector
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Problems when lighting an FID
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Some 'bad' GC chromatograms
- > Tailing
- > Base line drift
- > 'Strange' baseline
- > Very sharp peaks on the baseline
- > 'Poor' peaks
- > Poor performance
- > Poor chromatogram
- > Injection problem? Doubling peaks
- > Injection problem
- > Disturbed baseline
- > Baseline drift
- > Poor peakshapes
- > Bad performance
- > 'Strange' baseline
- > 'Ghost peaks'
- > Negative peak
- > Poor peak shape. Buy new column?
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Troubleshooting in GCxGC
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An overview from practice
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Problems with pesticides analysis
