Additional Details

  • HALO® EXP®2 Stem Traps are rated to 1400+ bar
  • Stem Traps are sold in Stem Trap Kits and Replacement Stems
  • Stem Traps are comprised of an EXP®2 Stem Trap Holder, EXP®2 Fitting, EXP®2 Stems packed with a bonded phase above
  • Hand-tight and wrench-tight configuration
  • Available in 0.17, 0.33, 0.68, 1.5, and 2.6 µL bed volumes
  • Available in 2.7 and 5.0 µm HALO® Fused-Core® particles
  • Stem Load Rates:
    • 005 – 0.1 ml/min
    • 01 – 0.25 ml/min
    • 02 – 0.5 ml/min
    • 05 – 1.0 ml/min
    • 1 – 2.0 ml/min
  • Current bonded phases available in the HALO Stem Trap design are:
    • C18
    • C8
    • Phenyl-Hexyl
    • ES-CN
    • PFP
    • HILIC
    • Penta-HILIC
  • Dimensions
    • 125 µm x 13.5 mm
    • 180 µm x 13.5 mm
    • 250 µm x 13.5 mm
    • 350 µm x 13.5 mm
    • 500 µm x 13.5 mm
  • Low volume, low dispersion cartridges
  • Auto-adjusting ZDV connection
  • Intended for many repeat uses and for nano-flow applications
  • New design incorporates integral ferrule into the front-end of the holder. Integrated ferrule design ensures there isn’t a ferrule to lose

How to order a HALO Stem Trap:

  1. Select the Bonded Phase for your Stem Trap
  2. Select the Particle Size for your Stem Trap
  3. Select the Bed Volume, Dimension and Load Rate
  4. The Bed Volume, Dimension and Load Rate are tied together with the Stem Trap configuration
  5. Purchase the Stem Trap Kit and Replacement Stems