Guide to Syringe Selection

By automation  
   
Manual Autosampler

By termination  
   
Fixed Needle (SGE Code 'F') Removable Needle (SGE Code 'R')
 

 Fixed Needle (SGE Code 'F')

  • Economical
  • Autosampler
  • One syringe – one method
  • Sample < 70°C
 Removable Needle (SGE Code 'R')
  • Inexperienced user
  • One syringe – many methods
  • Sample < 120°C
   
Luer Lock (SGE Code 'LL') Luer Tip (SGE Code 'LT')
Luer Lock (SGE Code 'LL') 
  • Luer Lock needles and fittings
  • Syringe filter
  • Pump priming

 

Luer Tip (SGE Code 'LT') 
  • Luer Lock needles and fittings
  • Syringe filter
  • Pump priming

By volume  
   
Plunger- in- Barrel Plunger- in- Needle (SGE Code 'B')

Plunger- in- Barrel 

  • Volumes > 1µL

Plunger- in- Needle (SGE Code 'B')

  • Volumes < 1µL (capillary column applications)

By plunger  
   
Standard Plunger Gas Tight — PTFE Tipped (SGE Code 'GT')

Standard Plunger

  • Non-replaceable Plunger

Gas Tight — PTFE Tipped (SGE Code 'GT')

  • Replaceable Plunger
  • Dirty samples
  • Easy to remove and clean plunger
  • Gas or headspace

By ruggedness  
   
Guided Plunger (SGE Code 'GP') Plunger Protection

Guided Plunger (SGE Code 'GP')

  • Robust
  • Rugged (student or tech) use
  • Used by a variety of people

Plunger Protection

  • Prevents Plunger Bending