Backflash

Backflash Injections and Preventative Measures

Split / Splitless Injector Capillary Flow Diagram: Sample / Carrier Mixing

 

 How to prevent Backflash
  • Choose a solvent with a high molar mass
  • Increase the volume of your liner
  • Know the expansion volume
  • Lower inlet temperature
  • Increase inlet pressure
 Backflash - Effects
  • Ghost peaks
  • Tailing
  • Erratic quantitation
  • Loss of sensitivity
  • Loss of volatiles

Backflash - Cause >>