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Gas Chromatography Columns, Columns

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  • Rxi-5ms Columns (fused silica)

    Restek

    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…

  • Rtx-1701 Columns (fused silica)

    Restek

    midpolarity Crossbond phase Rtx-1701 is one of the more popular stationary phases used in capillary GC. The mix of cyano and phenyl functional groups increases the polarity and offers a different elution order relative to less polar Rtx-1 or Rtx-5 columns. An Rtx-1701 column is ideal for…

  • Stabilwax-DA Columns (fused silica)

    Restek

    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…

  • DB-Wax

    Agilent Technologies

    Polyethylene glycol (PEG) Close equivalent to USP Phase G16 High polarity Lower temperature limit of 20°C is lowest of any bonded PEG phase; improves resolution of low boiling point analytes Column-to-column repeatability Bonded and cross-linked Solvent rinsable …

  • 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…

  • Capillary Column Ferrules

    Agilent Technologies

    Capillary ferrules are packaged in dial packs which deliver one ferrule at a time, keeping the others clean and ready for use. The dial packaging has been tested to ensure no out gassing of contaminants, including phthalates. *These ferrules are recommended for use with Agilent GC/MS…

  • DB-Waxetr

    Agilent Technologies

    Polyethylene glycol (PEG) Extended Temperature Range (etr) High polarity Excellent column-to-column repeatability Bonded and cross-linked Solvent rinsable Close equivalent to USP Phase G16 Similar Phases: HP-20M, SUPELCOWAX 10, CP-WAX 52 CB, SUPEROX II, CB-WAX,…

  • Rtx-PCB Columns (fused silica)

    Restek

    proprietary Crossbond phase Unique polymer for PCBs analysis by GC-ECD or GC-MS. Good results for other semivolatiles. Low polarity; inert to active compounds. Stable to 340°C

  • 60% Vespel® / 40% Graphite Ferrules (VGS)

    Chromatography Research Supplies

    Reusable Upper temperature limit of 400°C Preferred for vacuum and high pressure. Recommended for MS/GC. One piece design requires no back ferrule.

  • GS-Q

    Agilent Technologies

    Porous divinylbenzene homopolymer A PLOT column with polarity between Porapak-Q and Porapak-N Separates ethane, ethylene and ethyne (acetylene) Not recommended for quantification of polar compound Minimal conditioning time required — 1 hour Temperature limits:…

  • Rtx-BAC Plus 1 Columns (fused silica)

    Restek

    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…

  • 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…

  • DB-5ms

    Agilent Technologies

    Phenyl Arylene polymer virtually equivalent to a (5%-Phenyl)-methylpolysiloxane Non-polar Very low bleed, suitable for GC/MS Exhibits inertness to active compounds Temperature limits are -60° to 325°/350°C Improved signal-to-noise ration for increased sensitivity and mass…

  • 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.) …

  • DB-5

    Agilent Technologies

    (5%-Phenyl)-methylpolysiloxane Non-polar General purpose column Wide range of applications Low bleed High temperature limit: -60° to 325/350°C* Bonded and cross-linked Solvent rinsable Wide range of column dimensions available Equivalent to USP…

  • DB-FFAP

    Agilent Technologies

    Nitroterephthalic acid modified polyethylene glycol High polarity Designed for the analysis of volatile fatty acids and phenols Bonded and cross-linked Solvent rinsable Close equivalent to USP Phase G35 Temperature limits: 40° to 250°C NOTE: Agilent does…

  • Rtx-VMS Columns (fused silica)

    Restek

    proprietary Crossbond phase Rtx-VMS columns offer lower bleed, better selectivity, and overall faster analysis for separating volatile organic compounds, such as those listed in U.S. EPA Method 8260B. The Rtx-VMS stationary phase is a highly stable polymer that provides outstanding analysis of…

  • Rtx-2330 Columns (fused silica)

    Restek

    highly polar phase; biscyanopropyl cyanopropylphenyl polysiloxane Rtx-2330 is one of the most polar capillary column stationary phases. Cyano groups on both sides of the polymer backbone give the phase a strong dipole moment and high selectivity for cis/trans compounds or compounds with…

  • Stabilwax Columns (fused silica)

    Restek

    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…

  • HP-FFAP

    Agilent Technologies

    Nitroterephthalic acid modified polyethylene glycol High polarity Temperature range from 40 to 250°C Designed for the analysis of volatile fatty acids and phenols Replaces OV-351 Bonded and cross-linked Solvent rinsable Close equivalent to USP Phase G35 …

  • HP-5ms

    Agilent Technologies

    Meets EN14331 Standards (5%-Phenyl)-methylpolysiloxane Non-polar Very low bleed, suitable for GC/MS Exhibits inertness to active compounds Temperature limits are -60° to 325°/350°C Improved signal-to-noise ration for increased sensitivity and mass spectral integrity Bonded and cross-linked…

  • BPX5 Capillary Columns

    SGE

    5% Phenyl Polysilphenylene-Siloxane High temperature General Purpose GC column - suitable for over 80% of all routine analyses performed by gas chromatography Very Low Bleed - ideal for trace analysis Non-Polar Extremely inert Ideal for GC-MS Application Areas: …

  • DB-624

    Agilent Technologies

    Specifically designed for the analysis of volatile priority pollutants No cryogenics needed for U.S. EPA Method 502.2 Excellent for U.S. EPA Methods: 501.3, 502.2, 503.1, 524.2, 601, 602, 8010, 8015, 8020, 8240 and 8260 Exhibits inertness to active compounds Bonded and cross-linked Solvent…

  • 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 …

  • Molecular Sieve Columns

    Restek

    Molecular sieve packed columns easily separate permanent gases at above-ambient temperatures. Restek’s R&D chemists have developed a process for preparing molecular sieve packings, which results in excellent batch-to-batch reproducibility. In addition, our molecular sieves are…

  • Duraguard Columns

    Agilent Technologies

    Columns with “built in” guard columns, no press-fit connectors Minimize front-end contamination and increase column lifetime Aid in focusing sample onto the front of the column for better peak shape Minimize MSD contamination originating from the column (when used in…

  • Deactivated Fused Silica Tubing

    Agilent Technologies

    Deactivated tubing can be used as retention gaps, guard columns, or transfer lines. Our standard deactivation process is a phenyl methyl deactivation — the preferred choice for most applications due to its inertness and robustness.

  • Rt-Alumina BOND/Na2SO4 Columns (fused silica PLOT)

    Restek

    Restek Rt-Alumina BOND columns are highly selective for C1–C5 hydrocarbons and separate all saturated and unsaturated hydrocarbon isomers above ambient temperatures. The reactivity of the aluminum oxide stationary phase is minimized, by deactivation with inorganic salts like KCl or…

  • HP-Pona

    Agilent Technologies

    100% Dimethylpolysiloxane Configured for the analysis of petroleum process products Tested to ensure the resolution of m-xylene from p-xylene and of cyclopentane from 2,3-dimethylbutane PONA, PIANO High resolution Bonded and cross-linked Solvent rinsable Similar…

  • CA-1701 Capillary Columns

    Chromatography Associates

    14% Cyanopropyl silicone Fully crosslinked and surface bonded Solvent rinseable Individually tested for inertness and efficiency Temperature Limits (0.25µm film) Minimum: -60°C Maximum Isothermal: 270°C Maximum Programmed: 280°C Similar Phases …

  • BP20 (Wax) Capillary Columns

    SGE

    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:…

  • DB-Tph 30m, 0.32mm, 0.25um

    Agilent Technologies

    Specifically designed for the analysis of total petroleum hydrocarbons (TPHs), soil analysis, and LUFT Three analyses in one injection: gas range organics, diesel range organics and motor oil Fast run time Bonded and cross-linked Solvent rinsable

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