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  • Rocker Vacuum Pumps

    Restek

    Oil-free vacuum pumps are piston powered, so they do not pollute the air and require minimal maintenance Quiet, low-vibration units keep disturbances to a minimum Built-in thermal protector automatically shuts off pump if it overheats and then restarts it once the unit is cool Inlet filter…

  • Tedlar Sampling Bags

    Restek

    Sampling bags are a low-cost, whole-air sampling device for high-level VOCs and permanent gases. Several EPA, NIOSH, and OSHA methods exist for bag sampling for a variety of applications: stationary sources emissions; workplace atmospheres; ambient, indoor air quality; and breath analysis. Choose…

  • Syringe Filters with Luer Lock Inlet

    Restek

    Luer lock inlet offers leak-tight syringe connection Variety of filter types, porosities, and diameters Color coded for easy identification Rugged polypropylene housing Autoclavable to 121°C for 15 minutes Quantity break pricing for greater savings Cellulose Acetate, Nylon,…

  • Opti-Cap GL-45 Bottle Tops

    Restek

    The most economical way to helium-sparge and deliver LC mobile phases. Opti-Cap tops fit all standard GL-45 bottles and have two 1/8" holes and one 1/16" hole for tubing. All three openings are designed for threaded PEEK plugs.

  • 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.*…

  • Q-sep 3000 Centrifuge for QuEChERS

    Restek

    Priced to fit your laboratory's budget, the Q-sep 3000 centrifuge is the first centrifuge specifically designed for QuEChERS methodology. This compact, quiet, yet powerful unit spins at the 3,000 g force required by the European method. Centrifuge includes 50mL tube carriers (six), 50mL…

  • Ottawa Sand (Bulk Adsorbent)

    Restek

    Ottawa sand is listed in several U.S. EPA methods as the specified medium for matrix spike and laboratory control blanks. Sample medium for matrix spikes and laboratory control blanks Packaged in convenient 5 kg buckets

  • Eco-Cap Bottle Top, ETFE

    Restek

    Fits all standard GL-45 bottles; has two 1/8-inch holes and one 1/16-inch hole for tubing. Holes are not threaded.

  • Resprep 12- or 24-Port SPE Manifolds

    Restek

    Use with any standard male luer end SPE cartridges Inert, PTFE sample guides reduce cross-contamination and carryover Flexible sample collection rack will accommodate a variety of receiving vessels Quick vacuum-release valve for better system control Individual valves allow vacuum…

  • 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.

  • Q-sep Bottle Top Solvent Dispenser

    Restek

    Accurately and precisely dispense liquids for QuEChERS extractions with this versatile pump. A quick, simple adjustment lets you set the output volume anywhere from 2.5 mL to 30 mL per stroke, and the included adaptors will accommodate most reagent bottles. Adjustment knob offers 56 output…

  • Last Drop Filter

    Restek

    The flat filter element sits parallel to the bottom of the mobile phase reservoir, allowing the filter to draw 98% of the mobile phase without drawing air into the system. Conventional cylindrical mobile phase filters begin to draw air into the system when approximately 10% of the solvent remains…

  • GC-MS Cleaning Kit

    Restek

    Poor sensitivity, loss of sensitivity at high masses, or high multiplier gain during an auto tune are all indicators that your mass spectrometer source may need to be cleaned. Restek has assembled all of the necessary components for cleaning and polishing your ion source. The Restek GC-MS…

  • Low-Pressure Slip-On Inlet Filter for Mobile Phase Reservoir

    Restek

    A 316 stainless steel tip with a Tefzel collar seals to a corrosion-resistant 316 stainless steel filter element. The slip-on filter easily attaches to the pump inlet line, without the use of wrenches. The universal 1/8" OD tip accommodates standard PTFE tubing inner diameters. The cylindrical…

  • Q-sep QuEChERS dSPE Tubes for Extract Cleanup

    Restek

    QuEChERS methods are fast, easy, and cost-effective, and Restek Q-sep products make QuEChERS procedures even simpler. All extraction salts, sorbents, and sample tubes are included—no specialized equipment or glassware is required. Prepare samples more efficiently with a complete line of…

  • 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…

  • Coiled Welded/Drawn 304 Grade Stainless Steel Tubing (Sulfinert Treated)

    Restek

    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.

  • 8260B MegaMix® Calibration Mix

    Restek

    Analyze VOCs in solid waste by EPA Method 8260B using our popular MegaMix® calibration mix. This certified reference material (CRM) contains 76 compounds in one ampul for greater convenience. Quantitative analysis in our ISO-accredited labs ensures accuracy. • Contains 76 compounds in one…

  • Restek Electronic Leak Detector

    Restek

    Don't let a small leak turn into a costly repair—protect your analytical column by using a Restek leak detector. Backed by a one-year warranty, the Restek leak detector is the industry standard for performance and affordability in handheld leak detectors. Features & benefits…

  • 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

  • Rtx-1301 (G43) Columns (fused silica)

    Restek

    low- to midpolarity phase Many analysts feel the Rtx-1301 column has the best cyanosiloxane bonded stationary phase available, with no other column manufacturer providing lower bleed, longer lifetime, or better inertness. Our polymer is fully characterized to ensure long-term reproducibility,…

  • Clean-Cut Tubing Cutter

    Restek

    Burr-free, perpendicular cuts that will not distort the tubing OD or close the ID Use on PEEK, PTFE, Tefzel, and other polymeric tubing

  • Porous Polymer Columns

    Restek

    Restek offers a full range of porous polymers, including HayeSep and Porapak polymer packings for analyses of volatile compounds and light solvents.

  • ALTEF Gas Sampling Bags

    Restek

    Sampling bags are a low-cost whole air sampling device for high level VOCs and permanent gases. Several EPA, NIOSH, and OSHA methods exist for bag sampling for a variety of applications: stationary sources emissions; workplace atmospheres; ambient, indoor air quality; and breath analysis. Choose…

  • Survival Kit for HPLC, PEEK

    Restek

    For start-up and maintenance in all HPLC systems. The PEEK Survival Kit is an invaluable parts kit that contains tubing, fittings, and tools essential for setting up and maintaining your HPLC system: PEEK tubing, connectors, and elbows, PTFE tubing, a tubing cutter and extra blades, a ValvTool…

  • 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

  • Secure-Fit Fittings (Single Connectors)

    Restek

    A good connection between HPLC components is necessary for trouble-free chromatography. Secure-Fit connectors from Restek and Selerity Technologies ensure a consistent, leak-free seal—and they eliminate excess dead volume! An internal spring mechanism holds the capillary tubing at the proper…

  • Capillary Stainless Steel Tubing Assemblies for Agilent HPLC Systems

    Restek

    Precut, micropolished tubing and preseated fittings for quick, easy maintenance of your Agilent HPLC systems Meet or exceed manufacturer's performance.

  • Micro-Vials with Screw Threads

    Restek

    Tapered for high recovery of contents Work with Mininert sampling valves

  • Waste Overflow Indicator for LC Systems

    Restek

    The Restek waste overflow indicator will help keep your mobile phase waste where it belongs—in the waste container! Compact, battery-operated unit fits securely on solvent bottles and accommodates two waste streams. An audible alarm is given as the solvent waste container approaches capacity,…

  • 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).

  • 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…

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