Common Capillary GC Problems and Probable Causes

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This chapter contains sections titled: Using This Troubleshooting Guide Troubleshooting Checklist and Pre-Work Baseline Problems Baseline Drift or Wander Noisy Baseline Spikes in the Baseline Peak Shape Problems Tailing Peaks Fronting Peaks Extremely Broad or Rounded Peaks Flat Top Peaks Split Peaks Negative Peaks Excessively Broad Solvent Front Loss of Resolution Retention Changes Retention Time (tr) Change Only Retention Factor (k) Change Peak Size Problems No Peaks All Peaks Change in Size Some Peaks Change in Size or Missing Peaks Extra or Ghost Peaks (Carryover) Rapid Column Deterioration Quantitation Problems