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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nonpolar phase; 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 combination of column…
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SPB®-35 Capillary GC Column
MilliporeSigmamaterial fused silica Quality Level 100 Agency meets requirements for USP G42 parameter 0-300 °C temperature (isothermal or programmed) Beta value 250 df 0.25 μm technique(s) gas chromatography…
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60% Vespel® / 40% Graphite Ferrules (VGS)
Chromatography Research SuppliesReusable Upper temperature limit of 400°C Preferred for vacuum and high pressure. Recommended for MS/GC. One piece design requires no back ferrule.
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Temperature range 40°C to 360°C Equivalent to USP G3
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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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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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Press-Fit Capillary Column Connectors
Agilent TechnologiesIn the past it was necessary to use Press-fit connectors with specific dimensions to connect columns of those dimensions. Modern Press-fit connectors are “laser-milled” to provide highly reproducible taper angles throughout the length of the Press-fit insuring an excellent seal. Now the…
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Elite-5 capillary column, 30m x 0.32mm, 0.25µm
PerkinElmerEquivalent to USP G27 and G36 phases Temperature range -60°C to 350°C
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HP-Ms
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. (5%-Phenyl)-methylpolysiloxane Identical selectivity to HP-5 Non-polar …
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CAM
Agilent TechnologiesBase deactivated polyethylene glycol Specifically designed for amine analysis Excellent peak shape for primary amines Replaces HP-Basicwax Similar Phases: Stabilwax-DB, Carbowax Amine Because the CAM is not bonded or cross-linked, we do not recommend solvent rinsing. …
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Similar to CG-1198 but with a COARSE porosity disc sealed into the lower end of the column for packing support. Column is constructed using MEDIUM WALL tubing. Can be used with optional CG-1201 flow controller and CG-1200 reservoir. Lower end of the column has a round bottom. Connections between…
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D3606 Application Column Set
RestekConforms to the specifications established in the current ASTM method D3606 for the quantitation of benzene and toluene in spark ignition fuel containing ethanol. Complete resolution of benzene from ethanol—no compromising coelutions. Accurate quantification of benzene and toluene.…
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Elite-5MS capillary column 60m x 0.32mm, 0.25µm
PerkinElmerTemperature range -60oC to 350 oC Equivalent to USP G27, G36 phases
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Temperature range: -20 to 320 degrees celsius. Similar to USP G43 phase.
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Vigreux style column with indentations for improved vapor-liquid contact. Column height is the length of the indented section. Upper threaded outer joint and lower inner joint are 14/10. Supplied complete with open-top screw cap (MW-102-33) and Viton o-ring (MW-100-08).
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permethylated 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 columns that have pure…
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PLOT Column Particle Trap
RestekThe technology used to adhere particles in PLOT columns is excellent; however, it is still possible for particles to dislodge when extreme pressure shocks and gas flow changes occur. This sometimes happens when valve switching or backflushing is used. In those cases, using particle traps is…
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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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HP-1
Agilent Technologies100% 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 …
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midpolarity Crossbond phase 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 combination of column…
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Similar to CG-1196 but with a COARSE porosity sealed in fritted disc to support column packing. Column is constructed using MEDIUM WALL TUBING. 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…
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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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Accurate quantification of toluene and benzene—including benzene in gasoline containing ethanol or butanol blends. Complete resolution of benzene from ethanol—no compromising coelutions. Enhanced formulation with improved support material and polymers—more robust and reproducible. Column sets…
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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-Wax
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. Polyethylene glycol (PEG) Close equivalent to USP Phase G16 High polarity …
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Elite-1 capillary column, 40m x 0.18mm, 0.40µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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The Rtx-Mineral Oil stationary phase and column dimensions were optimized for the fast screening of mineral oils in extracts from solids and water samples according to DIN EN ISO 9377-2:2000. The 0.10 µm column is the gold standard for the method, whereas the 0.15 µm column provides…
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Proprietary cyclodextrin material 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 columns that have pure…
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CP-Wax 58 FFAP CB Capillary Columns
Agilent TechnologiesAgilent J&W CP-Wax 58 FFAP CB column is a nitroterephthalic acid-modified, chemically bonded polyethylene glycol phase. It is designed for the analysis of acidic compounds, such as phenols, and underivatized as well as derivatized free fatty acids. Nitroterephthalic acid-modified…
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Polyethylene Glycol (PEG) in a Sol-Gel matrix World's highest temperature wax phase Bonded polyethylene glycol Very robust high-temperature column Less susceptible to damage by oxygen than conventional wax phases Polar phase Low bleed and inert Application Areas: …