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gc-column-unions-and-splitters
GC Column Unions and Splitters
Union and 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