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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polar phase; Crossbond polyethylene glycol The elution order of polyunsaturated FAMEs on FAMEWAX columns is comparable to that on other Carbowax columns, but baseline resolution is achieved in significantly less time. Application-specific columns for FAMEs, specially tested with a FAME…
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DB-5ms
Agilent TechnologiesPhenyl 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…
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SUPELCOWAX® 10 Capillary GC Columns
MilliporeSigmaSUPELCOWAX® 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…
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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.
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OPTIMA® 5 Capillary Columns
MACHEREY-NAGELOPTIMA® 5 Capillary columns for GC Features 5 % phenyl – 95 % methylpolysiloxane · USP G27, G36 Nonpolar standard phase with large range of application Low bleed columns with equal selectivity see OPTIMA® 5 MS, ultra low bleed columns see OPTIMA® 5 MS…
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SCOT Capillary GC Column phase Bentone 34/DNDP
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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midpolarity phase; Crossbond trifluoropropylmethyl polysiloxane Column specifically tested for low-bleed performance. 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…
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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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Crossbond 100% dimethyl polysiloxane—optimized for hydrocarbon analysis Gasolines are complex mixtures of hundreds of compounds. Information about concentrations of the individual components is important for evaluating raw materials and for controlling refinery processes. ASTM D6730-01…
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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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GC Columns Ferrules
Agilent TechnologiesThe Agilent Technologies ferrule is compatible for use with GC (gas chromatography) columns. It is mainly used to safeguard columns and maintain leak proof connections during high temperature applications. This accessory is made of sturdy material which offers enhanced durability. This product is…
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Select PAH Capillary Columns
Agilent TechnologiesAgilent J&W Select PAH is the first capillary column that provides a single solution for PAH analysis by separating all the isomers, thereby avoiding false positives and inaccurate results. It provides easy, fast, and accurate quantification of PAHs in environmental and food samples by…
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midpolarity phase; Crossbond phenyl methyl polysiloxane The high thermal stability of Rtx-50 columns makes dual-column analysis possible with common phases such as Rtx-1 or Rtx-5MS. General-purpose columns for pesticides, herbicides, rosin acids, phthalate esters, sterols Equivalent to…
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Useful for a wide range of applications Compatible with most common solvents Maximum temperature: 325°C
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Deactivated Fused Silica Tubing
Agilent TechnologiesDeactivated 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. Agilent Technologies products are intended for…
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proprietary Crossbond phase The Rtx-VRX stationary phase and optimized column dimensions provide low bleed, excellent resolution, and fast analysis times for volatile compounds. Application-specific columns for volatile organic pollutants. Excellent for U.S. EPA Method 8021 compounds. …
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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…
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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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Elite-1 capillary column, 15m x 0.53mm, 3.00µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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DB-35
Agilent Technologies(35%-Phenyl)-methylpolysiloxane Midpolarity - slightly more polar than HP-35 Low bleed Inert to active solutes Ideal for confirmational analyses Bonded and cross-linked Solvent rinsable Equivalent to USP Phase G42 Similar Phases: Rtx-35, SPB-35, AT-35,…
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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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Empty Columns for all your Gas Chromatography equipment come in multiple sizes and are able to fit a variety of different systems.
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Elite-1 capillary column, 30m x 0.53mm, 1.50µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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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,…
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Elite 1301 capillary column 30m x 0.25mm, 1.00µm
PerkinElmerTemperature range -20°C to 260/280°C Equivalent to USP G43 phase
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Capillaries for electrophoresis
MACHEREY-NAGELUntreated capillaries Recommended application: Capillary electrophoresis Preparation of capillary columns Capillary LC applications
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Chromatography Columns
ChemglassGeneral 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.
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midpolarity 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…
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DB-17ms
Agilent TechnologiesVirtually equivalent to (50%-Phenyl)-methylpolysiloxane 320°/340°C upper temperature limit Very low bleed midpolarity, suitable for GC/MS Exhibits inertness to active compounds Enhanced mass spectral integrity Bonded and cross-linked Solvent rinsable Best…
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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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Rt-XLSulfur Columns
RestekSulfur analyses are traditionally performed using PTFE tubing to improve column inertness. Unfortunately, PTFE tubing is gas permeable, difficult to pack with high efficiency, prone to shrinkage, and has poor thermal stability. The Rt-XLSulfur packed or micropacked column eliminates these problems.…