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.

  • 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 only…

  • 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.*…

  • 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,…

  • General description Styrene/divinyl benzene co-polymer Retention Mechanism: Reversed-phase or Adsorption Sample Matrix Compatibility: Aqueous solutions Particle Size: 80-160 μm; Spherical Shape; Pore Size: 110- 175 Å; Surface Area: 900 m 2 /g …

  • 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

  • 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…

  • Available in brass or stainless steel.

  • UHP stainless steel regulators are the standard for ultra-high-purity and corrosion-resistant pressure regulation. They are more easily purged of atmospheric components compared to brass gas regulators, making them ideal for the most demanding applications. Stainless steel is especially useful in…

  • Tapered for high recovery of contents Work with Mininert sampling valves

  • Includes: Capillary installation gauge for Thermo Scientific GCs Liner cap removing tool for Thermo Scientific GCs 1/8", 3/16", and 1/4" nylon brushes 1/4", 3/8", and 3/16" stainless steel wire tube brushes Stainless steel surface brush 6 stainless…

  • 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).

  • Consistently make precise, clean, square cuts with a diamond blade Built-in magnifier to verify square cut Use with 0.25 mm ID to 0.53 mm ID tubing (0.78 mm OD maximum)

  • These electronic crimpers and decappers have a rechargeable 6.4-volt battery installed. The large battery allows for quick, powerful operation and a faster charge cycle, minimizing downtime. Charging the battery takes thirty minutes to two hours. The universal plug set includes U.S., European, UK,…

  • Usable to 340°C inlet temperature* Precision molding assures consistent, accurate fit Excellent puncturability Preconditioned and ready to use Packaged in ultra-clean blister packs** A Restek exclusive! Note: Due to differences in inlet design, the actual septum temperature…

  • Nitrogen Generators

    Parker Hannifin

    NitroFlow Lab The Parker Balston® LC-MS NitroFlow Lab is a self-contained membrane nitrogen generator that produces LC-MS grade nitrogen with output pressure to 116 psig. Nitrogen is produced by utilizing a combination of compressors, carefully matched with filtration, and membrane…

  • Our most popular grade of tubing. Recommended for: Chromatography applications Gas delivery systems Lower pressures Inert applications Maximum temperature of 450°C in an inert atmosphere.

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

  • Parker Balston’s NitroVap-1LV and NitroVap-2LV Nitrogen Generators can provide clean, ultra-dry nitrogen to sample evaporators. These systems offer high nitrogen output flows in a miniature cabinet. The user can activate the manual SLEEP economy mode to eliminate compressed air consumption…

  • 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.

  • 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…

  • Container, liner, and closure cleaned, assembled, and lot traceable Open-top caps PTFE faced 0.125" silicone septa Cleaned to U.S. EPA Protocol B specifications

  • 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…

  • Engineered with a fluted tip to guide the capillary column into the jet. Standard Version Threads specially coated for easy installation and removal Special processing ensures the highest degree of cleanliness Meets or exceeds original manufacturer's performance …

  • Indicator changes from light green to grey as oxygen is trapped Heavy-walled glass body, protected by polycarbonate sleeve, prevents oxygen and water infusion Prepurged for fast stabilization 100 psi (689 kPa) maximum operating pressure Reduces oxygen to 0.1 ppm 10 µm frits at…

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