Gas Chromatography

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  • Deactivated Borosilicate Glass Wool

    Restek

    More flexible than fused silica wool.

  • Universal Press-Tight Connectors

    Restek

    Connect a guard column to an analytical column Repair a broken column Connect a column outlet to a transfer line

  • Click-On In-line Super Clean Ultra-High Capacity Hydrocarbon Trap

    Restek

    Click-On Traps measure: 8 1/2" x 1 1/4" (21.6 x 3.2cm) Note: Replacement trap only—fittings sold separately.

  • Nylon Tube Brushes and Pipe Cleaner

    Restek

    Use to remove small septum fragments and residue from dirty glass inlet liners. Brushes are 1/8-, 3/16-, and 1/4-inch in diameter; pipe cleaner is one foot (30 cm) long.

  • Tedlar® Gas Sampling Bag

    MilliporeSigma

    Tedlar is recommended in several US EPA methods for sampling VOCs and sulfur compounds. Our Tedlar is made from a high-quality 2 mil Tedlar film for superior inertness, impermeability, sample integrity and good recovery data. Our Push Lock Valve (PLV) and seam-sealing process ensure that these bags…

  • Inland 45 Pump Oil

    Restek

    Recommended for most mass spectrometers. Ease at cold start. Low vapor pressure 10 -7 torr. Nontoxic and noncorrosive. Compatible with buna-N, neoprene, and Viton seals. Optimum vacuum pump performance. Lowest mass spectrometer background. Recommended for optimum mass spec performance.

  • Septum Nuts for use with Agilent 5890/6850/6890/7890 Split/Splitless Injectors

    Restek

    Needle guide allows easy penetration and prevents septum coring Manual injection septum nut allows use of 26-gauge needles for on-column injections Made of high-quality stainless steel

  • Indicating Moisture Trap

    Restek

    Reduces water to less than 10 ppb; indicator changes from yellowish-green to blue at 5% relative humidity Prepurged for fast stabilization Reduces noise from high-sensitivity detectors Heavy-walled glass body prevents oxygen and water infusion 10 µm frit prevents microparticulate…

  • Restek Super Clean Ultra-High Capacity Moisture Filter

    Restek

    All traps measure: 10 5/8" x 1 3/4" (27 x 4.4 cm)

  • Graphite/Vespel® Ferrules for Shimadzu Instruments

    SGE

    Your chromatography analysis does not end with the selection of the GC column. The combination of components selected for your instrument also make an important contribution to successful separations. Choose SGE technology to improve your chromatography.

  • High-Power Electronic Crimping Tool

    Restek

    The innovative design of Restek’s high power crimping tool features interchangeable jaws, so you only need one tool and can purchase crimpers and decappers in the sizes that meet your laboratory’s needs. The separate crimper and decapper jaw sets fit standard lab vial seals that are…

  • Premium Non-Stick BTO Septa

    Restek

    Usable to 400 °C inlet temperature*. New plasma coating eliminates sticking in the injection port. Precision molding ensures consistent, accurate fit. Septa have a CenterGuide design to minimize coring. (Not available on 9.5 mm, 10 mm, and Shimadzu Plug.) 5 mm and 11 mm septa are…

  • Micro Control Valves

    SGE

    SGE's microcontrol valves provide precision metering and on-off control of gas flows. They are designed specifically for chromatography applications and may be used at elevated temperatures from high vacuum to medium pressure. The valves are vacuum rated to a leak rate of 1 x 10- 5 cc/sec…

  • Split/Splitless Injection Port for Agilent 5890 GCs

    Restek

    Would you like better performance from your injector? Our Siltek-treated split/splitless injector is a direct replacement for Agilent 5890 and 6890/6850 GCs, but Siltek treatment passivates the metal surface to ensure an inert pathway for the sample, delivering increased performance. The injector…

  • High-Capacity Moisture Trap

    Restek

    Purged with ultra-high-purity helium; ready to use with any carrier gas including hydrogen Reduces water to less than 15 ppb Maximum operating pressure: 250 psi (1,724 kPa) Maximum flow: 1.25 L/min

  • 2.0 mL, 9 mm Short-Cap, Screw-Vial Closures (Polypropylene, preassembled)

    Restek

    Choose preslit caps (available for some vials) to reduce the risk of needle bending, release vacuum from high-volume injections, and improve injection reproducibility when greater than 20% of vial volume is withdrawn.

  • 2.0mL Sample Vial Racks

    Restek

    Racks feature alphanumeric indexing for easier vial identification. Racks can be stacked for efficient storage. Fits most 2.0 mL, 12 x 32 mm vials (vials sold separately).

  • Gas Sampling Bulbs, 250cc

    Bel-Art - SP Scienceware

    Polypropylene gas sampling bulbs have polypropylene stopcocks with free-turning Teflon® PTFE plugs. Ends accept 6.4 to 9.5mm (1/4 to 3/8") I.D. tubing Tube body is 5.1cm (2") O.D. x 22.2cm (8-3/4") long Stopcocks are 6.4cm (2-1/2") long Maximum recommended…

  • AIR SAMPLING PUMP 120 V

    PerkinElmer

  • Purge-and-Trap Spargers

    Restek

    Available with uniform frits to ensure maximum purging efficiency Use non-fritted spargers for wastewater samples Manufactured to tight tolerances to ensure a leak-tight seal Designed for use with Tekmar purge-and-trap instruments only

  • Gas Pressure Gauge Kit

    Restek

    Use an in-line pressure gauge to indicate when a thermal gas purifier getter tube should be replaced Includes 1/8" tee and 0–100 psi (0-689 kPa) gauge

  • Fritted Purge Sampler size 5 mL, Tekmar, 14-2337-024

    MilliporeSigma

    Note: All 1/4 in. O.D. glass ends are ground glass.

  • Thermolite Plus Septa

    Restek

    Usable to 350 °C inlet temperature.* Ultra-low bleed minimizes background signal. New plasma coating eliminates sticking in the injection port. Precision molding ensures consistent, accurate fit. Septa have a CenterGuide design to minimize coring. (Not available on 6 mm, 7 mm, 8 mm,…

  • Ultra High Purity Gas Generators

    Parker Hannifin

    Eliminates handling costly, dangerous gas cylinders Reliable source of gas No more cylinder changing Silent operation Simple annual maintenance State-of-the-art, self contained Balston® Lab Gas Generators are a sensible alternative to old technology gas cylinders. They are cost effective…

  • Parker Balston Model FID-1000 and FID-2500 Gas Stations

    Restek

    Parker Balston gas stations provide both UHP grade hydrogen gas and zero grade air for flame ionization detectors. The system is specifically designed to supply gas to FIDs and to support flame thermionic and flame photometric detectors. The units produce zero air by purifying compressed air to a…

  • Inert Gas Glass Stopcock Vacuum Manifolds

    Chemglass

    Similar to the CG-4440 vacuum manifold, but with BOTH ENDS OF INERT GAS LINE OPEN to permit connection to the gas source and an oil bubbler. Hose connections have a 10mm small serration and a 11mm large serration.

  • General Gas Chromatography Tubing and Tools

    Thermo Scientific

    Use Thermo Scientific™ General Gas Chromatography Tubing and Tools to maintain and optimize your GC system and support your GC applications.

  • Click-On In-line Super Clean Ultra-High Capacity Moisture Trap

    Restek

    Click-On Traps measure: 8 1/2" x 1 1/4" (21.6 x 3.2cm) Note: Replacement trap only—fittings sold separately.

  • Parker Crosses

    Restek

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