Region

GC

GC Column Unions & Splitters


Fused Quartz Y-Splitters

  • Use for splitting a sample onto two columns (single injection confirmational analysis)
  • Use for splitting column eluent to two detectors
  • Provides leak-free seal without tools or fittings
  • Stays sealed even at high temperatures and pressures
  • Laser-cut smooth ends prevent column damage during insertion


Fused Quartz Press-Fit Unions

  • Use for connecting a guard column to an analytical column, connecting columns of different selectivities, or connecting transfer lines (e.g. mass spec)
  • Provides leak-free seal without tools or fittings
  • Stays sealed even at high temperatures and pressures
  • Laser-cut smooth ends prevent column damage during insertion


Polyimide Resin
  • Permanently connects unions and splitters to capillary tubing
  • Prevents connections from dislodging due to vibration or shock
  • Available in standard (350 °C) and high temperature (400 °C)


Capillary Mini-Unions
  • High-precision unions for connecting capillary GC columns of multiple sizes
  • Inert and precise glass-lined bore
  • Low dead volume
  • Comes with 1 mini-union, 2 nuts, and 5 ferrules
  • Available with Vespel/Graphite 85/15 % (rated to 350 °C) and SilTite (rated to 450 °C) ferrules