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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…

  • 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,…

  • Parker Balston Ball Valve (Shut-Off Gas Valve)

    Restek

  • FID Replacement Parts for PerkinElmer Auto SYS XL and Clarus 500

    Restek

    Made of high-quality stainless steel Meet or exceed original manufacturer's performance

  • California Oxygenates Mix (5 components)

    Restek

    Compound List tert-Amyl methyl ether (TAME) (994-05-8), 2,000 µg/mL tert-Butanol (TBA) (75-65-0), 10,000 µg/mL Diisopropyl ether (DIPE) (108-20-3), 2,000 µg/mL Ethyl-tert-butyl ether (ETBE) (637-92-3), 2,000 µg/mL Methyl tert-butyl ether (MTBE) (1634-04-4), 2,000 µg/mL

  • Acenaphthene

    Restek

    Compound List Acenaphthene (83-32-9)

  • 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

  • Vacuum Gauges

    Restek

    High-quality vacuum gauges with 316 stainless steel wetted surfaces. –30" Hg to 0" Hg. Recommended for use with passive sampling kits. All are rear mount.

  • CLP 04.1 B/N MegaMix Kit

    Restek

    Compound List 31903: CLP 04.1 B/N MegaMix Standard, Revision 2 Acenaphthene (83-32-9) Acenaphthylene (208-96-8) Acetophenone (98-86-2) Anthracene (120-12-7) Benz(a)anthracene (56-55-3) Benzo(a)pyrene (50-32-8) Benzo(b)fluoranthene (205-99-2) Benzo(ghi)perylene (191-24-2) Benzo(k)fluoranthene…

  • 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…

  • 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

  • Universal Angled “Y” Press-Tight Connectors

    Restek

    Split sample flow—perform dual-column confirmation analysis with a single injection Split column flow to two detectors Inlet and outlet ends match column curvature to alleviate connection strain

  • Stainless Steel Jet Reamers / Ferrule Removers

    Restek

    A great tool for cleaning detector jets or removing stuck ferrules from other small orifices. Serrated design is optimal for removing silica deposits and other contaminants.

  • Herbicide Surrogate (2,4-Dichlorophenylacetic acid (2,4-DCAA))

    Restek

    Compound List 2,4-Dichlorophenylacetic acid (2,4-DCAA) (19719-28-9) Conc. in Solvent and Volume: 1,000 µg/mL in acetone, 1 mL/ampul

  • Extraction Cell Caps & Replacement Parts for ASE Systems

    Restek

    Accelerated solvent extraction is a common technique for fast and reliable extraction of organic materials from solid matrices, using EPA SW-846 Method 3545, Pressurized Fluid Extraction (PFE). Restek offers a wide range of replacement parts to keep your extraction system running smoothly. All…

  • 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…

  • Resprep-C18 and Resprep-C8 SPE Disks

    Restek

    Glass fiber disks embedded with C18 or C8 bonded silica Extract semivolatile organic compounds Deep-pore design reduces clogging and allows faster flow rates Meet requirements for EPA Methods 525.1, 506, 550.1, and 549.1 Lower cost than PTFE disks

  • Resprep SPE Cartridges (Bonded Reversed Phases)

    Restek

    Hydrophobic (nonpolar) silica-based adsorbents; used to extract hydrophobic analytes from polar matrices, such as water (e.g., pesticides from water). All cartridges are manufactured using high density polypropylene and have polyethylene frits unless otherwise noted. Cartridges may be…

  • MXT-Alumina BOND/MAPD Columns (Siltek-treated stainless steel PLOT)

    Restek

    Restek's R&D chemists have optimized the deactivation technology applied to our MXT-Alumina BOND/MAPD column for improved analysis of trace concentrations of polar hydrocarbons like acetylene, methyl acetylene, and propadiene in hydrocarbon streams containing higher levels of C1-C5…

  • Capillary Column Rinsing Reservoir

    Restek

  • 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.

  • Exempted Drug of Abuse Reference Standards

    Restek

    Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40°C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request.

  • Thermal Desorption (TD) Tubes

    Restek

    High-quality thermal desorption tubes are suitable for ppt to ppm concentrations of volatile organic compounds (VOCs) in ambient, indoor, personal, and industrial hygiene environments. Fit Markes (ULTRA and UNITY), PerkinElmer, and Shimadzu thermal desorbers. Packed tubes come with a report…

  • 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).

  • QuEChERS Internal Standard Mix for GC-MS Analysis (6 components)

    Restek

    Compound List PCB 18 (37680-65-2), 50 µg/mL PCB 28 (7012-37-5), 50 µg/mL PCB 52 (35693-99-3), 50 µg/mL Triphenylmethane (519-73-3), 10 µg/mL Triphenylphosphate (115-86-6), 20 µg/mL Tris-(1,3-dichloroisopropyl)phosphate (13674-87-8), 50 µg/mL

  • Rt-ßDEXcst Columns (fused silica)

    Restek

    Proprietary cyclodextrin material added into 14% cyanopropylphenyl/86% dimethyl polysiloxane By adding β or γ cyclodextrin to our bonded Rtx-1701 stationary phase, we greatly enhance overall utility and column lifetime for our chiral columns, compared to columns that have pure…

  • Ultra-High Pressure Sample Cylinders

    Restek

    Swagelok sample cylinders are made of 304L and 316L stainless steel to resist corrosion and DOT rated to 1,800 and 5,000 psig (TPED cylinders rated to 1,450 and 4,350 psig), which allows sampling at gas wellheads as well as on-site refineries. Each cylinder is hydrostatically tested to at least 5/3…

  • Rtx-5MS—Low-Bleed GC-MS Columns (fused silica)

    Restek

    low-polarity phase; Crossbond diphenyl dimethyl polysiloxane General purpose columns for drugs, solvent impurities, pesticides, hydrocarbons, PCB congeners (e.g., Aroclor mixes), essential oils, semivolatiles. Column specifically tested for low-bleed performance. Temperature range:…

  • HayeSep Packing Materials

    Restek

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