Need help from a friendly and experience chromatographer?
Contact Agilent Technical support

GC Applications
Application Notes
Chromatogram Library

General Information
Carrier Gas
How-to Videos   
Maintaining Your GC Resource Guide (PDF) 
Maintaining Your Agilent GC and GC/MS Systems (PDF)
Gas Purifier Selection Guide  
Flowmeter Selection Guide   
What is Gas Chromatography
What is a Capillary GC Column
Guard Columns/Retention Gap
How to Choose the Right Column?
Low Bleed Column - Fact or Fiction?
Method Development
Stationary Phase Applications Guide  
QC Specifications   
Terms and Definitions

Reference
ASTM Methods    
Applications for Stationary Phase
Column Cross Reference
Environmental / EPA Methods   
Method Development
NIOSH
Pesticide Retention Data  
Solvent Retention Data (PDF)
USP Listing

Baseline Instability or Disturbances
Calibration Curve
Change in Peak Size
Checking the Obvious
Condensation Test
Conditioning New Columns
Column Installation
Causes of Column Degradation
Evaluating the Problem
Excessive Baseline Noise
Flow on Dual Column Assemblies
Flowmeter Readings
Ghost Peaks or Carryover
Guard Columns
Inlet Activity Problems
Loss of Resolution
Low Bleed Column - Fact or Fiction?
Retention Time
Split Peaks
Tailing Peaks
Water Injections

Separation Times