Gas Chromatography
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Snaps on any crimp-style vial Save money! Use this snap cap when you don’t need to crimp
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Unmodified POLYGOPREP silica
MACHEREY-NAGELPOLYGOPREP Irregular silica phases for liquid chromatography, SiOH, unmodified for normal phase application Features Irregular silica for preparative application, pH stability 2–8 Available pore sizes 60, 100, 300 and 1000 Å Available mean particle sizes 12 µm,…
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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.*…
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TPP® centrifuge tubes capacity 50 mL, polypropylene
MilliporeSigmaThe TPP 50 mL and 15 mL Centrifuge Tubes are compatible with all standard centrifuges and their innovative design focuses on a tight seal, excellent transparency, clear graduations, and highly visible marking areas. The yellow screw cap closure on the TPP Centrifuge Tubes is tight and protected…
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Easily attach your purge-and-trap with pre-installed low dead volume fittings.
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Vacuum Manifolds
ChemglassGeneral 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…
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Tedlar® Gas Sampling Bag
MilliporeSigmaTedlar is recommended in several US EPA methods for sampling VOCs and sulfur compounds. Our Tedlar is made from a high-quality 2 mil Tedlar film for superior inertness, impermeability, sample integrity and good recovery data. Our Push Lock Valve (PLV) and seam-sealing process ensure that these bags…
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Choose preslit caps (available for some vials) to reduce the risk of needle bending, release vacuum from high-volume injections, and improve injection reproducibility when greater than 20% of vial volume is withdrawn.
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Deactivated (silanized) glass inlet liner for capillary injection ports. Fits Agilent (5890, 6890, and 7890) Fits Finnigan (9001GCQ) Fits Varian (CP-1177 Injector)
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All traps measure: 10 5/8" x 1 3/4" (27 x 4.4 cm)
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Turn in-house compressed air into ultra-pure air (<0.1 ppm total hydrocarbons) Remove hydrocarbons to less than 0.1 ppm by catalytic oxidation Operate at 40–125 psi (276–862 kPa) Typical payback is less than one year, based on cylinder costs Install easily and take up…
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GRAPHPACK 3D/2 Ferrules
RestekGRAPHPACK technology provides a complete system that quickly and reliably makes a leak-tight, low-dead-volume connection. The central component is a metal-jacketed graphite ferrule—the ideal seal for GC applications.
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General description For Gases and Low Molecular Weight Compounds (MW 30-225)
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Aldrich® ColorSpec® NMR tubes
MilliporeSigmaThis new range of premium quality NMR sample tubes feature color-coded banding and caps and a MHz rating that allows instant visual identification to tube grade and application. No more mix ups after cleaning.Precision grade NMR tubes are made from Type I, Class A, thin-wall (0.38 mm) borosilicate…
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2.0mL Sample Vial Racks
RestekRacks 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).
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Similar to the CG-4440 vacuum manifold, but with BOTH ENDS OF INERT GAS LINE OPEN to permit connection to the gas source and an oil bubbler. Hose connections have a 10mm small serration and a 11mm large serration.
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LpDNPH S10 Cartridge bed
MilliporeSigmaThe design of the S10 cartridge makes it easy to use in the field and laboratory. Reusable adaptors are available for connecting the cartridge to the sampling pump. The built in reservoir eliminates the need to attach a syringe for sample extraction/elution. Storage: 2-8C Application: …
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Protocol Station
RestekThe protocol station is designed for convenient wall mounting of high-purity gas regulators. Wall mounting provides ease of use, prevents gas regulator damage, and improves safety. Either chrome-plated brass or 316 stainless steel option is complete with a 3-foot, flexible, all-stainless-steel…
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NUCLEODUR® C18 ec bulk packings
MACHEREY-NAGELNUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…
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Thermolite Plus Septa
RestekUsable 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,…
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Wilmad® quartz (CFQ) EPR tubes
MilliporeSigmaClear Fused-Quartz (CFQ), is a naturally occurring material. It has a high dielectric constant and low levels of paramagnetic impurities. This NMR tube is suitable for use in routine testing in EPR spectropscopy, excluding UV irradiation and samples with low sensitivity. Synonyms: Wilmad nmr…
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Flowmeters that can measure flammable gases are becoming mandatory due to the increased use of hydrogen in chromatography. With its Ex rating, the Restek ProFLOW 6000 meter is designed specifically with explosive and flammable gases in mind. The Restek ProFLOW 6000 is the only flowmeter you…
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Ultra Inert Liners
Agilent TechnologiesAgilent’s Ultra Inert liners were developed and are manufactured using a suite of tests specifically designed to ensure the highest level of liner inertness available. These Ultra Inert GC Inlet Liners are available in Split and Splitless, with and without wool. They are recommended for trace…
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Turn compressed air into ultra-pure nitrogen (up to 99.5%). Flows from 1 to 44 L/min. Models N2-04, N2-14, N2-22, and N2-35 require no electricity. Safe, reliable, low maintenance. Maintenance kits include replacement filters. 12-month warranty from date of purchase.
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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…
