Gas Chromatography Columns
Key features of GC columns include their use of molecular sieve columns, which offer high efficiency in separating small molecules like gases and volatile organic compounds. Integrating fused silica in these columns improves their thermal stability and reduces reactivity, ensuring accurate and consistent results. The columns' design maximizes the interaction between the stationary phase and the analyzed compounds, leading to more precise identification and quantification.
In practical terms, users benefit from the columns' reliability in various applications, including environmental testing, forensic analysis, and quality control in manufacturing. Their design and material composition makes them a valuable asset in any laboratory focused on gas chromatography.
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Fast analysis times and sharp mono-, di-, and triglyceride peaks. Stable at 430°C for reliable, consistent performance.
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midpolarity proprietary phase The Rxi-PAH GC columns were designed by Restek with a higher phenyl-content stationary phase that provides unique selectivity to separate important polycyclic aromatic hydrocarbons (PAH) for food safety that cannot be distinguished by mass spectrometry. Even…
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midpolarity phase; Crossbond 35% diphenyl/65% dimethyl polysiloxane Active basic compounds that otherwise require derivatization, or an alternative analytical technique, can be analyzed on an Rtx-35 Amine column. The tubing surface is chemically altered to reduce tailing of basic compounds,…
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Cyclodex-B
Agilent Technologies10.5% Beta-Cyclodextrin in DB-1701 Chiral separations without chiral specific derivatization Broad range of resolving potential Excellent peak shape Similar Phases: LIPODEX C, Rt-β DEXm, β -DEX 110, β -DEX 120 Because Cyclodex-B GC columns are not bonded or cross-linked,…
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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…
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Elite 608 capillary column 75m x 0.32mm, 0.50µm
PerkinElmerThermally stable to 340°C Low column bleed - ideally suited for ECD and GC/MS analysis
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5% diphenyl, 95% dimethyl polysiloxane Optimized for PBDE analysis by EPA Method 1614. Short column option resolves BDE-209 3 times faster, with less thermal breakdown. Unique deactivation gives higher BDE-209 response than competitor columns, for greater analytical sensitivity. …
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Porous Polymer Columns
RestekRestek offers a full range of porous polymers, including HayeSep and Porapak polymer packings for analyses of volatile compounds and light solvents.
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SLB®-5ms Capillary GC Column
MilliporeSigmaApplication: The 5% phenyl equivalent phase provides a boiling point elution order with a slight increase in selectivity, especially for aromatic compounds. The low bleed characteristics, inertness, and durable nature make it the column of choice for environmental analytes (such as semivolatiles,…
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Ultra 1 & Ultra 2
Agilent TechnologiesUltra 1: 100% Dimethylpolysiloxane Ultra 2: (5%-Phenyl)-methylpolysiloxane Non-polar Bonded and cross-linked Solvent rinsable HP-1 and HP-5 with tighter specifications for retention index and capacity factors Temperature range: -60° to 325°/350°C …
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nonpolar phase; Crossbond 100% dimethyl polysiloxane—for simulated distillation The Rtx-2887 column's stationary phase, column dimensions, and film thickness have been optimized to exceed the resolution and skewing factor requirements specified in ASTM Method D2887. Each column is…
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PerkinElmer Elite-XLB (Specialty phase for GC/MS with exceptionally low bleed) Series Capillary Columns, Length: 30m, Inner Diameter: 0.32mm, Film Thickness: 0.50m, Temperature Limits:30 to 340/360C
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Similar to CG-1186 but with a sealed in COARSE porosity fritted disc to support column packing. Lower end of the column has a round bottom. Column is constructed using MEDIUM WALL TUBING.
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OPTIMA® 1 MS Accent Capillary Columns
MACHEREY-NAGELOPTIMA® 1 MS Accent Ultra-low bleed capillary columns for GC Features 100 % dimethylpolysiloxane · USP G1 / G2 / G38 Nonpolar phase with ultra-low bleeding, ideal for ion trap and quadrupole MS detectors Increased sensitivity due to an unmatched low background level …
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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…
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2,3-di-acetoxy-6-O-tert-butyl dimethylsilyl beta cyclodextrin 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…
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Molecular Sieve Columns
RestekMolecular 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…
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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,…
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UltiMetal Plus Flexible Metal Ferrules
Agilent TechnologiesPut 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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Rtx-1 Columns (fused silica)
Resteknonpolar 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. …
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OPTIMA® 5 MS Capillary Columns
MACHEREY-NAGELOPTIMA® 5 MS Capillary columns for GC Features 5 % diphenyl – 95 % dimethylpolysiloxane USP G27 / G36 Nonpolar phase with low bleeding Suited for GC/MS and ECD application and general analyses at trace level Perfect inertness for basic compounds Similar…
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DB-5 And DB-5ms
Agilent TechnologiesGC capillary columns are typically wound on 7 inch cages that fit into standard-sized GCs like the 6890. The 6850 GC has a smaller oven which requires the use of columns wound on a smaller cage diameter. DB-5 (2713R99, T86, T94 and V89) (5%-Phenyl)-methylpolysiloxane Non-polar …
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OPTIMA® 1301 Capillary Columns
MACHEREY-NAGELOPTIMA® 1301 Capillary columns for GC Features 6 % cyanopropyl-phenyl – 94 % dimethylpolysiloxane USP G43 Medium polar phase Ideal for pesticide analyses For corresponding columns with higher film thickness see OPTIMA® 624 Similar phases: HP-1301, DB-1301,…
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polar polyethylene glycol deactivation Tested with a comprehensive test mix to ensure high inertness Polyethylene glycol deactivation layer provides optimum wettability for polar compounds Minimize peak splitting when using polar solvents such as methanol or water Compatible with…
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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…
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Duraguard Columns
Agilent TechnologiesColumns 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…
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Elite-1 capillary column 60m x 0.32mm, 1.50µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases. Temperature range -60°C to 310/330°C.
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2,3-di-O-propyl-6-O-tert-butyl dimethylsilyl beta cyclodextrin 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…
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Temperature range -60oC to 200 oC
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SCOT Capillary GC Column phase BMEA
MilliporeSigmaSupelco is the leader in Support Coated Open Tubular (SCOT) GC column technology. Our unsurpassed manufacturing technique allows us to deposit a uniform layer of liquid phase-coated support particles on the inner wall of stainless steel tubing. This technology gives us access to many phases that…
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DB-Wax
Agilent TechnologiesPolyethylene 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 …
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polar phase; Crossbond Carbowax polyethylene glycol—provides oxidation resistance General-purpose columns for FAMEs, flavor compounds, essential oils, amines, solvents, xylene isomers, and U.S. EPA Method 603 (acrolein/acrylonitrile). Equivalent to USP G14, G15, G16, G20, and G39…