Gas Chromatography

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Gas Chromatography

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Attention Thomas Scientific Customers

Due to current pandemic, lead times for PPE items are longer than what is listed on our website. Please expect shipping delays of all PPE products during this time.

  • Fits 6.2 mm OD liners.

  • 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…

  • Meets or exceeds original manufacturer's performance Includes brass nut Available for Agilent 5890, 6850, or 6890 GCs Note: 6890 GC connections to EPC modules are not compatible with the 7890 EPC modules.

  • Available in graphite or Vespel/graphite material. 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…

  • 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,…

  • Our patented dual Vespel ring inlet seal greatly improves injection port performance—it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom…

  • Deactivated fused quartz helps eliminate activity for complete inertness along the GC flow path Universal fit: use with 0.1–0.53 mm ID Restek columns (0.33–0.74 mm OD) Optional Siltek deactivation is ideal for organochlorine pesticides analysis

  • Glass Bubble Flow Meters

    Agilent Technologies

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

  • Zero Air Generators

    Parker Hannifin

    Parker Balston Zero Air Generators are systems manufactured with state-of-theart, highly reliable components engineered for easy installation, operation, and long term performance. Parker Balston Zero Air Generators are much easier to install than dangerous, high pressure gas cylinders, and only…

  • Gas Clean Filters

    Agilent Technologies

    The Gas Clean Filter System delivers clean gases, reducing the risks of column damage, sensitivity loss and instrument downtime.

  • 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)

  • SGE understands today’s chromatographers need to move from tubing based flow systems to planar microchannel systems to deliver flexible chromatography solutions. SilFlow is an innovation in design and fabrication resulting in a highly efficient and reliable micro fluidic platform that…

  • Includes 17A injector nut, 0.4 mm graphite ferrule, and 1/16-inch stainless steel capillary nut.

  • 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.*…

  • Copper Tubing


    Use for plumbing GC systems. Cleaned to remove residual organics.

  • 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…

  • 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.

  • Purity Hydrogen Generators

    Parker Hannifin

    H2PEM Models Parker Balston’s fuel gas hydrogen generators utilize proton exchange membrane, which eliminates the use of liquid electrolytes with hydrogen generators. Proven in over 40,000 GC installations worldwide. Parker Balston’s generators are the most reliable hydrogen…

  • 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

  • Model 108-10.0/10.6 offers both 10.0 and 10.6 eV potential, has a 0.781" base diameter, and is used in Tracor, OI, and Baseline instruments. Model 103 has a 1.375" base and is used in HNU and SRI detectors. Model 108-BTEX lamp’s higher output makes it ideal for detection of BTEX compounds.

  • Available in brass or stainless steel.

  • Produces ultra-pure nitrogen (up to 99.9999%) Require only a compressed air source and 110 volt AC power Typical applications include GC carrier gas, make-up gas, and low flow sample concentrators Maintenance kits include replacement filters 12-month warranty from date of purchase

  • Vacuum Manifolds


    General purpose single bank vacuum manifold with 3, 4, or 5 ports. Main tube is 38mm OD with a serrated hose connection, having the smallest serration 13.5mm and the largest serration 15.5mm, located at either the left or right side for vacuum connection. Ports are either 0-4mm or 0-8mm…

  • More flexible than fused silica wool.

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

  • Protect your instrument and improve data quality with this powerful pair from Restek. Checking for leaks and verifying flows before you start helps you avoid costly problems later. Restek’s New Leak Detector Redesigned and better than ever, our new leak detector is an essential tool for…

  • Specifically designed to cut 1/8" to 1-1/8" (4 mm to 28 mm) OD tubing. Easily cuts stainless steel, Monel alloy, and other hard-temper materials. Unique design makes clean, right-angle cuts and eliminates spiraling. Integral reamer folds away for safety and convenience. …

  • 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.

  • Prevent small leaks from causing big problems with a Restek leak detector. Detects a broad range of gases and indicates leak severity with both an LED display and audible tone. No more waiting for a full charge—can be operated during charging or used up to 12 hours between charges.…

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