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Making Better GC Connections

The Right Connections
Make All the Difference

Agilent gas chromatography connection supplies

Column connections have been a source of frustration since the advent of gas chromatography. For starters, simple connections can leak, causing high background noise, damaged GC column stationary phase, questionable results, and wasted time retightening fittings.

Now you can improve your GC flow path integrity—and lengthen your periods of unattended operation—with easy-to-use, leak-free connections from Agilent. They allow anyone to create reliable connections quickly, while making advanced flow path techniques (such as backflush, retention gaps, and column effluent switching) more routine.

Want to see where connection pitfalls happen most?

Download our informational poster.

Agilent glass-fritted liners

  • Ultra Inert inlet liners with sintered glass frit
  • Low-frit single taper for splitless analysis of SVOCs and OC/OP pesticides
  • Mid-frit single taper split/splitless liners, ideal for basic drugs analysis

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Agilent glass-fritted liner

Agilent split/splitless inlet gold seals

  • Ultra Inert chemistry combined with gold plating
  • Leak-free seal, reduced active analyte adsorption

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Agilent split/splitless inlet gold seals

Agilent Self-Tightening column nut, inlet/detector

  • Leak-free seal, even at high temperatures
  • Easy finger-tight design—no retightening needed
  • New locking collar holds your column in place for accurate installation depth and ferrule positioning
  • Better flow path integrity through hundreds of cycles
  • Available for the inlet and detector

Recommended configurations

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Agilent Self-Tightening column nut, inlet/detector

Agilent Self-Tightening column nut, MSD

  • Leak-free seal, even at high temperatures
  • Easy finger-tight design—no retightening needed
  • New locking collar holds your column in place for accurate column depth and ferrule positioning
  • Less MS column installation time: no need to open the port
  • Reduced maintenance requirements and increased confidence in your connection

Recommended configurations

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Agilent Self-Tightening column nut, MSD

Agilent GC column installation pre-swaging tool, for graphite or metal ferrules

  • Optimized GC performance and reproducibility: ensure a a proper length of column into the fittings
  • Available for Agilent GC models 8890, 7890, and 6890, and for graphite or metal ferrules

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Agilent GC column installation pre-swaging tool, for graphite or metal ferrules

Agilent UltiMetal Plus deactivated stainless steel transfer lines, capillary tubing, and guard columns

  • High inertness
  • Stainless steel transfer line tubing, capillary guard column, and retention gap tubing available in 0.25, 0.32, and 0.53 mm id

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Agilent UltiMetal Plus deactivated stainless steel transfer lines, capillary tubing, and guard columns

Agilent UltiMetal Ultimate Union/​UltiMetal Plus tee

  • Deactivated with UltiMetal Plus
  • Leak-free connection for guard columns or retention gaps
  • Cost effective: replace columns less frequently
  • Completes inert flow path with UltiMetal Plus Flexible Metal ferrules

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Agilent UltiMetal Ultimate Union/UltiMetal Plus tee

Agilent UltiMetal Plus and gold-plated Flexible Metal ferrules

  • A proper grip and seal for capillary tubing without overtightening
  • Highly inert for your trace-level analysis
  • Robust, leak-free column connection
  • For customers using CFT, gold-plated ferrules are recommended for consistent leak-free connections

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Agilent UltiMetal Plus and gold-plated Flexible Metal ferrules

Agilent UltiMetal Plus deactivated stainless steel tubing and fittings

  • Improved peak shapes for active compounds
  • Higher GC system inertness and corrosion resistance

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Agilent UltiMetal Plus deactivated stainless steel tubing and fittings

Agilent Ultimate Plus deactivated fused silica

  • Specially treated to ensure optimum inertness for guard columns and retention gaps
  • Available in 0.18, 0.25, 0.32, and 0.53 mm id

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Agilent Ultimate Plus deactivated fused silica

Agilent FID/NPD jets

  • Easy column installation and jet replacement with less risk of column damage
  • Free from thread lubricant, minimizing contamination
  • Strong material reduces the risk of deforming, galling, and bending
  • Suitable for all GC platforms, as well as capillary column and packed column detector bodies

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Agilent FID/NPD jets

Agilent J&W column Smart Key

  • Facilitate column configuration, use monitoring, and method development
  • Less downtime: plan preventive maintenance before issues occur
  • Compatible with 8890 GC only

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Agilent J&W column Smart Key

Want to eliminate CFT connection leaks?

Secure your flow path and save time with new Agilent gold-plated Flexible Metal ferrules. They seal perfectly on the first installation—preventing microleaks that can lead to analyte loss and oxygen damage to your column.

Find out more
Agilent gold-plated Flexible Metal ferrules
poster

Newly updated poster:
Eight Tips for Tighter GC Connections

Learn about critical GC connection “hotspots” and how to fix problems before they compromise your results.

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Are your GC connections the strongest they can be?

These resources will show you how to install GC columns properly, and ensure consistent, robust, leak-free connections.

video

Innovation Minute:
Agilent GC Supplies

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video

How to Use the Agilent Self-Tightening Column Nut:
Inlet and Detector Installation

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video

How to Use the Agilent Self-Tightening Column Nut:
MS Installation

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brochure cover

Brochure

Improve your GC flow path integrity—and lengthen your periods of unattended operation—with easy-to-use, leak-free connections from Agilent.

Download now