Gas Chromatography

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Gas Chromatography

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  • Glass Bubble Flow Meters

    Agilent Technologies

    Economical 10 or 100 mL These glass bubble flowmeters provide an economical way to monitor gas flow.

  • 1/16" Tubing Cutter

    Restek

    Produces square, smooth cuts in 1/16-inch tubing Eliminates tubing distortion Cuts hard or soft copper, aluminum, brass, stainless steel, Monel alloy, or titanium Replaceable cutting wheel

  • ADM Flow Meters

    Agilent Technologies

    Accuracy ±3% Operating temperature range: 0 to 45°C for instrument/-70 to 135°C for tubing Calibration traceable to NIST primary standards Measures flow rates from 0.5 to 1000 mL/min Split ratios ADM flowmeters allow most gas measurements with the touch of…

  • GC Oven Thermometer

    Restek

    Verify GC oven temperature Quick measurements via sensor in the measuring tip Swivel head can turn 180° Wide measuring range: -50°C to +350°C.

  • Vial Rack for Headspace Vials

    Restek

    Securely holds up to 36 headspace vials (fits 6, 10, or 20 mL vials). Vials lock in rack for convenient one-handed cap removal. Openings in the bottom of each well facilitate drainage. Alphanumeric indexing on rack simplifies sample identification. Easy to clean and fully autoclavable.*…

  • Compact Ferrules for Agilent GCs (Fit 0.25/0.32mm ID MXT Columns)

    Restek

    Graphite Ferrules Preconditioned to eliminate outgassing. 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 …

  • Deactivated Borosilicate Glass Wool

    Restek

    More flexible than fused silica wool.

  • 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…

  • 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).

  • Capillary Ferrules for 1/16" Compression-Type Fittings

    Restek

    Available in Vespel, graphite, or Vespel/graphite material. Vespel Ferrules 100% high-temperature polyimide Stable to 350°C Durable, leak-tight Graphite Ferrules Preconditioned to eliminate outgassing High-purity, high-density graphite Smoother surface and…

  • Ceramic Scoring Wafer

    Restek

    Four straight scoring edges for cutting fused silica tubing and four serrated edges for cutting MXT metal capillary columns.

  • Gas Sampling Bulbs, 250cc

    Bel-Art Products

    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…

  • Mininert Precision Sampling Valves for Vials

    Restek

    Mininert valves are very convenient for repetitive sampling and limit content exposure to the silicon septum. Models are available for screw-cap and crimp-top vials. The crimp-top valve for 20 mm ID glassware slides into the neck of the vial. Turn the threaded flange to secure a tight fit.

  • Rough Pump Oil #19 for MSD Pumps, Oil Vacuum Pump

    Restek

    Formulated from crude oil stocks known for their durability and line-lubricating qualities Use in Agilent 5973/5972/5971 and GCD mass spec systems, or in other manufacturers’ MSD systems that require rough pump oil Under average use, the oil in the foreline rough pump should be replaced…

  • PTFE Ferrules

    Restek

    Upper temperature limit 250°C 100% PTFE; completely inert One-piece design requires no back ferrule

  • Ultra-High Purity Chrome-Plated Brass Line Gas Regulator

    Restek

    Oxidation-resistant, chrome-plated Use where you need to reduce the line pressure by 20 psig (138 kPa) or more Same purity protection as high-pressure cylinder regulators

  • Zero Dead Volume Valco Internal Union

    Restek

    Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require. Ends of tubing seat squarely at bottoms of fitting details. Made of 300-series stainless steel. For use with 1/16" OD tubing.…

  • MSD Source Nut

    Restek

    1.2 mm nut bore permits easy removal of ferrules with a standard tapered-needle file (cat.# 20106) Made of brass to prevent thread-stripping on the transfer line Design enhances ease of threading onto the transfer line and improves overall lifetime

  • Indicating Hydrocarbon Trap for Air Compressors

    Restek

    Pass compressed air from an oil-filled air compressor through this trap to remove oil vapors and mist Indicator changes from pale pink to deep pink

  • Merlin Microseal Septa for Bruker/Varian GCs

    Restek

    400°C max injection port temperature. The advantages of the Merlin Microseal septum include elimination of septum coring, longer life, and consistently low needle-insertion force. The Microseal septum incorporates two separate sealing mechanisms. These sliding seals eliminate septum coring…

  • 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

  • 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,…

  • Gas and Vapor Sampler

    SGE

    The Gas and Vapor sampler enables spot collection of environmental gas samples or low pressure gas streams in 200cm3 impervious resealable bags. Gas and vapor collection Resealable sample bags Ideal for field analysis

  • 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…

  • Compact Ferrules for Agilent GCs (Fit =0.28mm ID Fused Silica Columns)

    Restek

    Graphite Ferrules Preconditioned to eliminate outgassing. 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 …

  • Parker Back Ferrules

    Restek

    Please note: Nuts and ferrules are not treated unless requested (custom parts). Nuts and ferrules normally are not in contact with sample pathway, and thus do not require coating.

  • MXT "Y"-Union Connector Kits for Connecting Metal and/or Fused Silica GC Columns

    Restek

    These MXT connectors can be used with fused silica tubing because of a Valcon polyimide, 1/32-inch, one-piece fused silica adaptor. This unique graphite-reinforced composite allows a capillary column to slide into the adaptor and be locked in place simply by loosening and tightening the fitting. …

  • Snoop Liquid Leak Detector

    Swagelok

    Snoop® Liquid Leak Detector Non-toxic Non- flammable in liquid state Dries clean Will not collect dust Virtually odorless liquid detects leaks in hard-to-reach areas including vertical surfaces. Contains no chlorine or halogen additives.

  • 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

  • Replacement Inlet Seals for Agilent GCs

    Restek

    The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement. To reduce…

  • Certified Autosampler Vial Kits, Certified 2.0 mL Screw-Thread Vials

    Restek

    Certificates enclosed with each kit Vials of clear or amber borosilicate glass with ID marking spots Closures with pre-inserted septa Each kit sealed for integrity

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