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Gas Chromatographers Book from C.H.I.P.S.

The Troubleshooting and Maintenance Guide for Gas Chromatographers
Fourth Edition
by Dean Rood

The Troubleshooting and Maintenance Guide for Gas Chromatographers is now updated to include such new topics as fast GC using narrow, short columns, electronic pressure control, and basic aspects of quantitative gas chromatography.

The Troubleshooting and Maintenance Guide for Gas Chromatographers structures and presents the material in a concise and practical manner, suitable even for the most inexperienced user without any detailed knowledge of chemistry or chromatography.

Contents

1. Introduction to Capillary Gas Chromatography

  • What Is Gas Chromatography?
  • What Types of Compounds Are Suitable for GC Analysis?
  • The Basic Parts of a Gas Chromatograph
  • The Chromatogram
  • The Mechanism of Compound Separation
  • Factors Affecting Separation

2. Basic Definitions and Equations

  • Why Bother?
  • Peak Shapes
  • Retention
  • Phase Ratio ()
  • Distribution Constant (KC)
  • Column Efficiency
  • Utilization of Theoretical Efficiency (UTE%)
  • Separation Factor (a)
  • Resolution (R)
  • Trennzahl (TZ)
  • Column Capacity

3. Capillary GC Columns: Tubing

  • Fused Silica Capillary Columns
  • Fused Silica Tubing
  • Outer Coating
  • Other Tubing Materials
  • Polyimide Fused Silica Tubing Bending Stress

4. Capillary GC Columns: Stationary Phases

  • Stationary Phases
  • Types of Stationary Phases
  • Characteristics of Stationary Phases
  • Stationary Phase Interactions
  • Stationary Phase Equivalencies
  • Column Temperature Limits
  • Column Bleed
  • Selecting Stationary Phases

5. Capillary GC Columns: Dimensions

  • Column Length
  • Column Diameter
  • Column Film Thickness
  • Manipulating Multiple Column Dimensions

6. Carrier Gas

  • Carrier Gas and Capillary Columns
  • Linear Velocity versus Flow Rate
  • Controlling the Linear Velocity and Flow Rate
  • Van Deemter Curves
  • Carrier Gas Measurements
  • Carrier Gas Selection
  • Recommended Average Linear Velocities
  • Gas Purities
  • Common Carrier Gas Problems

7. Injectors

  • The Basics of Vaporization Injectors
  • Split Injectors
  • Splitless Injectors
  • Direct Injectors
  • Cool On-Column Injectors
  • Pressure and Flow Programmable Injectors
  • Injection Techniques
  • Autosamplers
  • Injector Septa
  • Injector Maintenance

8. Detectors

  • Detector Characteristics
  • Flame Ionization Detector (FID)
  • Nitrogen-Phosphorus Detector (NPD)
  • Electron Capture Detector (ECD)
  • Thermal Conductivity Detector (TCD)
  • Flame Photometric Detector (FPD)
  • Mass Spectrometers (MS)

9. Column Installation

  • Importance of a Properly Installed Column
  • Installing Fused Silica Capillary Columns
  • Column Ferrules
  • Tightening Fittings
  • Techniques for Measuring Column Insertion Distances
  • Leak Detection

10. Column Test Mixtures

  • Column Performance Testing
  • Column Test Mixture Compounds
  • Column Testing Conditions
  • Grob Test
  • Own Test Mixture
  • When to Test a Column

11. Causes and Prevention of Column Damage

  • Causes of Column Damage and Performance Degradation
  • Column Breakage
  • Thermal Damage
  • Oxygen Damage
  • Chemical Damage
  • Column Contamination
  • Solvent Rinsing Columns
  • Guard Columns and Retention Gaps
  • Packed Injector Liners
  • Gas Impurity Traps
  • Column Storage
  • Column Repair

12. Troubleshooting Guidelines, Approaches and Tests

  • Approaches to Solving GC Problems
  • Troubleshooting Tools
  • Troubleshooting Tests

13. Common Capillary GC Problems and Probable Causes

  • Using This Troubleshooting Guide
  • Troubleshooting Checklist and Pre-Work
  • Baseline Problems
  • Peak Shape Problems
  • Split Peaks
  • Negative Peaks
  • Excessively Broad Solvent Front
  • Loss of Resolution
  • Retention Changes
  • Peak Size Problems
  • Extra or Ghost Peaks (Carryover)
  • Rapid Column Deterioration
  • Quantitation Problems

Index

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The Troubleshooting and Maintenance Guide for Gas Chromatographers
Fourth Edition
by Dean Rood

2007 326 pages $144.00 + shipping
Texas residents please add 6.75 % sales tax

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