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Gas Purification Essentials
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Gas Purification & Delivery
Ferrules: Capillary (for 1/16" compression-type fittings)
Vespel® Ferrules
- 100% high-temperature polyimide.
- Stable to 350°C.
- Durable, leak-tight.
Graphite Ferrules
- Preconditioned to eliminate out-gassing.
- High-purity, high-density graphite.
- Smoother surface and cleaner edges than conventional graphite ferrules.
- Contain no binders that can off-gas or adsorb analytes.
- Stable to 450°C.
Vespel®/Graphite Ferrules
- 60%/40% Vespel®/graphite blend, offering the best combination of sealing and ease of workability.
- Seal with minimal torque, reusable, and preferred for vacuum and high-pressure uses.
- Stable to 400°C.
- Recommended for mass spec transfer lines.
Available in Vespel®, graphite, or Vespel®/graphite.
*For micropacked columns.
**For 0.28mm MXT columns.