Gas Chromatography Columns

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  • HP-5ms Ultra Inert

    Agilent Technologies

    Agilent J&W HP-5ms Ultra Inert is specifically tested for inertness for active compounds, including acidic and basic compounds, to meet the worldwide drive for lower detection levels. With very low bleed characteristics, bonded and cross-linked HP-5ms Ultra Inert is solvent rinsable and ideal…

  • Inlet Ferrules, 100% PTFE

    Chromatography Research Supplies

    Thomas Scientific offers a large selection of ferrules made from PTFE, Graphite, Vespel® and Vespel/Graphite composites. Ferrule sizes refer to the size of the fittings into which they fit; they are not the diameter of the ferrule. (For example, 1/16" ferrules are 1/8" diameter.) …

  • General purpose gravity eluted column having a PTFE stopcock and reinforced beaded top. Column is constructed using MEDIUM WALL TUBING. Glass wool (not supplied) is used to support column packing. Lower end of the column has a round bottom.

  • SUPELCOWAX® 10 Capillary GC Column may be used for the analysis of milk fat in order to demonstrate its health benefits. It may also be used for high-resolution separation of polychlorinated biphenyls by comprehensive two-dimensional gas chromatography. Application: This column is based…

  • Low bleed levels Longer column lifetimes Short conditioning times Bonded phases are used in capillary columns because they provided a dramatic increase in column quality. To truly bridge the gap between traditional packed columns and capillary columns, it was necessary to develop bonded…

  • DB-5.625

    Agilent Technologies

    Equivalent to a (5%-Phenyl)-methylpolysiloxan Non-polar Specially processed to exhibit excellent inertness for EPA Semivolatiles Methods 625, 1625, 8270 and CLP protocols* Surpasses EPA performance criteria for semivolatiles Inert for base, neutral and acidic compounds High…

  • low-polarity phase; Crossbond diphenyl dimethyl polysiloxane Rxi fused silica capillary GC columns were designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this…

  • polar phase; Crossbond polyethylene glycol Restek’s polar-deactivated surface tightly binds the Carbowax polymer and increases thermal stability, relative to competitive columns. Because of the increased stability produced by the bonding process, Stabilwax columns exhibit long column…

  • Your chromatography analysis does not end with the selection of the GC column. The combination of components selected for your instrument also make an important contribution to successful separations. Choose SGE technology to improve your chromatography.

  • nonpolar phase; Crossbond dimethyl polysiloxane General-purpose columns for solvent impurities, PCB congeners (e.g., Aroclor mixes), simulated distillation, arson accelerants, gases, natural gas odorants, sulfur compounds, essential oils, hydrocarbons, semivolatiles, pesticides, oxygenates. …

  • Restek’s molecular sieve 5A PLOT columns are designed for efficient separation of argon/oxygen and other permanent gases, including carbon monoxide. Special coating and deactivation procedures ensure chromatographic efficiency and the integrity of the porous layer coating. Molecular sieves…

  • HP-1

    Agilent Technologies

    100% Dimethylpolysiloxane Industry standard general purpose column Non-polar Wide range of applications Superior performance of low molecular weight alcohols High temperature limit Bonded and cross-linked Solvent rinsable Wide range of column dimensions …

  • CarboBlack B supports up to 10% loading of a nonsilicone liquid phase CarboBlack C supports up to 1% loading of a nonsilicone liquid phase Graphitized carbon black offers unique selectivity and very little adsorption for alcohol analyses. Two types of CarboBlack supports are available,…

  • polar phase; Crossbond acid-deactivated Carbowax polyethylene glycol—for acidic compounds Stabilwax-DA bonded polyethylene glycol has an acidic functionality incorporated into the polymer structure. This permits analysis of acidic compounds without derivatization, significantly reduces…

  • Equivalent to USP G7, G19 phase Temperature range 40°C to 240°C

  • proprietary Crossbond diphenyl/dimethyl polysiloxane phase An MXT-502.2 column will enable you to quantify all compounds listed in U.S. EPA Methods 502.2 or 524.2, whether you use a mass spectrometer or a PID in tandem with an ELCD. The diphenyl/dimethyl polysiloxane based MXT-502.2 stationary…

  • Refinery Gas Analyzer Calibration Blend without Syringe Adapter

  • polar phase; Crossbond polyethylene glycol Rtx-Wax columns are the most inert and efficient PEG columns currently available. The extended operating temperature range allows analysis of compounds having a wide volatility range and ensures low bleed at temperatures as high as 250°C.…

  • low-polarity phase; Crossbond diphenyl dimethyl polysiloxane The diphenyl dimethyl polysiloxane stationary phase is the most popular GC stationary phase and is used in a wide variety of applications. All residual catalysts and low molecular weight fragments are removed from the Rtx-5 polymer,…

  • Polyethylene Glycol Industry standard wax column Polar phase Cross-linked for stability and washing Application Areas: alcohol, free acids, fatty acid methyl esters, aromatics, solvents, essential oils Operating Temperature: 0.1-1.0µm film thickness:…

  • Temperature range -20oC to 240 oC

  • General purpose column having a PTFE stopcock, reservoir of the listed capacity and a top standard taper outer joint. Glass wool (not supplied) is used to support the column packing. Column is constructed using MEDIUM WALL TUBING. Can be used as a gravity eluted column or a flash column (as…

  • proprietary Crossbond phase Improved resolution and faster analyses, compared to 1701 or phenyl phases, make these the pesticide columns of choice. Rtx-CLPesticides columns are specially designed to overcome the coelutions and analyte breakdown typically encountered in chlorinated pesticide…

  • These application-specific columns for blood alcohol analysis baseline separate all critical compounds—including ethanol, methanol, acetone, tert-butanol, acetaldehyde, isopropanol, and n-propanol—in less than 2 minutes. Every Rtx-BAC Plus 1 and Rtx-BAC Plus 2 column is qualified with a…

  • General purpose column having a PTFE stopcock and a top Rodaviss® outer joint. Can be used as a gravity eluted column or a flash column (as described by W.C. Still, M. Kahn and A. Mitra of Columbia University in JOURNAL OF ORGANIC CHEMISTRY 43, 2923 [1978], and covered in U.S. Patent Number…

  • Strength-tested Inexpensive Coiled in 7-inch diameters, banded in 5-meter sections, and mounted in a Restek cage

  • midpolarity phase; Crossbond trifluoropropylmethyl polysiloxane Rtx-200 columns have accomplished many difficult separations not possible on any other bonded stationary phase. Many analysts consider these the best, most inert midpolarity columns available. The trifluoropropylmethyl polysiloxane…

  • low-polarity phase; Crossbond 5% diphenyl/95% dimethyl polysiloxane Active basic compounds that otherwise require derivatization, or an alternative analytical technique, can be analyzed on an Rtx-5 Amine column. The tubing surface is chemically altered to reduce tailing of basic compounds,…

  • polar phase; Crossbond base-deactivated Carbowax polyethylene glycol—for amines and basic compounds Stabilwax-DB columns reduce adsorption and improve responses for many basic compounds, without analyte derivatization or column priming. For different selectivity of basic compounds, or…

  • HP-INNOWax GC Columns

    Agilent Technologies

    HP-INNOWax is a polyethylene glycol (PEG) stationary phase that features high polarity and high upper temperature limits. It is a close equivalent to USP phase G16 and is targeted at food, flavor, and fragrance applications. The improved line of Agilent J&W HP-INNOWax GC columns utilizes…

  • Temperature range -60°C to 300/320°C

  • Put an end to frustration about GC capillary column connections! With the novel design of our proprietary UltiMetal Plus Flexible Metal ferrule, you can confidently make leak free column unions to capillary flow technology (CFT) devices. These new metal ferrules fix the problems of column breakage…

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