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TROBLESHOOTING GAS CHROMATOGRAPHY (GC)

TROBLESHOOTING GAS CHROMATOGRAPHY (GC). Parto Zist Behboud Reza Daj 8/16/2014. Today’s Overview. Introduction. Injection Port. Flow Controller. Detector. Data Processor. Electric Signal. Column Oven. Gas Cylinder. Column. Troubleshooting Approach. Sample Injector System.

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TROBLESHOOTING GAS CHROMATOGRAPHY (GC)

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  1. TROBLESHOOTING GAS CHROMATOGRAPHY (GC) Parto Zist Behboud Reza Daj 8/16/2014

  2. Today’s Overview

  3. Introduction Injection Port Flow Controller Detector Data Processor Electric Signal Column Oven Gas Cylinder Column

  4. Troubleshooting Approach

  5. Sample Injector System

  6. Detector

  7. Carrier Gas and Detector Gas Carrier Gas and Detector Gas Carrier Gas He and N2 are usuallyused. (In the case of a capillary column, helium is desirable) The gas of 99.999% or more of purity is used. Detector Gas TCD ... No need FID ... H2, Air ECD ... N2(In the case of a packed column, carrier gas is surely N2. In the case of a capillary column, N2 is used for makeup gas. ) FTD ... H2, Air FPD ... H2, Air BID ... He

  8. Pressure Problems

  9. Leaks

  10. Component Malfunctions

  11. Noisy Baselines AFC Gradient Temperature Detector Recorder Data System Baseline Problems Drifting or Cycling Baseline Equilibration Late Peaks Temperature Electrical

  12. Peak Problems

  13. PARTO ZIST behboud Web: www.Partoz.com Contact: INFO@PARTOZ.COM Tel: 88104115 Fax: 88104117

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