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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General purpose column having a PTFE stopcock, reservoir of the listed capacity and a top spherical socket 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 described…
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Column bleed, measured by ECD, is extremely low at temperatures up to 330°C, which is critical for baking-out the column to remove high-boiling compounds commonly found in pesticide/PCB extracts. An analysis time of less than 10 minutes improves throughput compared to other stationary phases. …
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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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SPB®-20 Capillary GC Column
MilliporeSigmaApplication: This column has intermediate polarity due to the higher (20%) phenyl content, producing a different elution order of polar compounds for confirmational information. It is often used for analyses of aromatic analytes. USP Code: This column meets USP G32 requirements. Phase: •Bonded …
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midpolarity phase; Crossbond diphenyl dimethyl polysiloxane An Rtx-35 column is a popular confirmation column for pesticides and herbicides in conjunction with an Rtx-5 or Rtx-1701 column. The higher phenyl content causes useful elution order and retention time changes. General-purpose…
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GC Capillary Column
Agilent TechnologiesAgilent J&W DB-1 is nonpolar and low-bleed, and operates under high temperature limits. It is an excellent choice for general purpose use in a wide variety of applications. Precision-engineered DB-1 is bonded, crosslinked and solvent rinsable, and is equivalent to USP phase G2. This product is…
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DB-624 Ultra Inert GC Columns
Agilent TechnologiesDB-624 Ultra Inert columns are designed for trace analysis in environmental volatile organic compound applications. Agilent Technologies products are intended for sale/shipment within the US only. International customers should contact their local Agilent Technologies distributor to place…
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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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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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Stabilwax-MS columns ensure reproducible retention times from run to run, even with temperature cycling. When methods require trace analysis, this highly polar, low-bleed stationary phase produces excellent signal-to-noise levels! Ideal for food and flavor analysis (e.g., essential oils), fragrance…
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COL-Elite 1 30 m, 0.25 mm ID, 0.25
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°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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OPTIMA® 624 LB Capillary Columns
MACHEREY-NAGELOPTIMA® 624 LB Capillary columns for GC Features 6 % cyanopropyl-phenyl – 94 % dimethylpolysiloxane USP G43 Medium polar phase Low bleed columns for halogenated hydrocarbons, volatiles, aromatic compounds, solvents etc. Similar phases: HP-624, HP-VOC, DB-624,…
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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…
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The Elite-Betacydex Columns for chiral separations that are 30 m long and have an inner diameter of 0.25 mm.
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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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The Elite-SimDist columns are specifically for the simulated distillation application. The phase is specifically processed for dimethylpolysiloxane.
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Glass Empty Column, 2mm i.d., 1/4in o.d., 3 ft for AutoSystem GC (on column)
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DB-ALC1 And DB-ALC2
Agilent TechnologiesMeets EN14110 standard Reliable blood alcohol analysis Optimized primary and confirmation column pair for U.S. blood alcohol analysis Faster GC run times Improved resolution of key ethanol/acetone peaks Available in 0.32 and 0.53 mm ID Bonded and cross-linked …
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CarboBlack Columns
RestekGraphitized carbon black offers unique selectivity and very little adsorption for alcohol analyses. Two types of CarboBlack supports are available, CarboBlack B and CarboBlack C. CarboBlack B support, with its higher surface area, can hold up to a 10% loading of a nonsilicone liquid phase.…
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2,3-di-O-methyl-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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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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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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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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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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HP-5
Agilent Technologies(5%-Phenyl)-methylpolysiloxane Non-polar Wide range of applications High temperature limits: -60° to 325°C isothermally, -60° to 350°C programmed. -60° to 300°C isothermally, -60° to 320°C programmed for 0.53 mm columns -60° to 260°/280°C…
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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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Cyanopropylphenyl Polysiloxane Polar phase EPA volatile organics analysis (EPA 624, 502.2, SW-846 8240/8260) Application Areas: Environmental analyses, volatile organics, alcohol analysis, USP G43 Operating Temperature: 1.0-3.0µm film thickness: 0°C to…
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Useful as guard columns, transfer lines, or long retention gaps Inertness-tested with the Grob test mix includes test chromatogram. 5-meter banded sections mounted in a Restek cage. Maximum temperature: 325°C Note: 30- and 60-meter lengths are banded in 5-meter sections. …