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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DB-1701
Agilent Technologies(14%-Cyanopropyl-phenyl)-methylpolysiloxane Low/midpolarity Bonded and cross-linked Solvent rinsable Exact replacement for HP-1701 Similar Phases: DB-1701: SPB-1701, CP-Sil 19 CB, Rtx-1701, BP-10, OV-1701, 007-1701, ZB-170 Agilent Technologies products are intended for…
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Similar to CG-1188 but with a sealed in COARSE porosity 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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The Rtx-Volatile Amine column was designed specifically for analyzing volatile amines in difficult matrices, such as water. The unique base deactivation creates an exceptionally inert surface for these sensitive compounds, resulting in highly symmetrical peaks, which allow low detection limits. The…
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100% Dimethyl Polysiloxane Non-polar column Dimensionally stabilized phase Low bleed Specifically designed for high temperature hydrocarbon analysis Ideal for simulated distillation Application Areas: ASTM methods D2887 and D6532 Operating Temperature: …
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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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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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Deactivated capillary columns (precolumns)
MACHEREY-NAGELRecommended application: Preparation of capillary columns As precolumns, whenever a larger contamination capacity is required Different deactivations are available: Methyl-Sil deactivated Phenyl-Sil deactivated CW deactivated
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Temperature range -60oC to 200 oC
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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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OPTIMA® 5 Amine Capillary Columns
MACHEREY-NAGELOPTIMA® 5 Amine GC capillary columns for amine separation Features Especially deactivated for the analysis of polyfunctional amines such as ethanolamines, amino-functionalized diols and similar compounds, which are important base materials in industrial chemistry, and show…
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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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DB-17ht
Agilent Technologies(50%-Phenyl)-methylpolysiloxane Midpolarity Extended upper temperature limit of 365°C High temperature, polyimide-coated, fused silica tubing Excellent peak shape and faster elution times for high boilers Improved resolution for triglycerides Ideal for…
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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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Low bleed levels Longer column lifetimes Short conditioning times Bonded phases are used in capillary columns because they provided a dramatic increase in column quality. To truly bridge the gap between traditional packed columns and capillary columns, it was necessary to develop bonded…
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Dbht-Simd 5m, 0.53mm, 0.15um
Agilent Technologies100% Dimethylpolysiloxane “Boiling point” phase for high temperature simulated distillation Durable stainless steel tubing 430°C upper temperature limit Distillation range of C6 to C110 Low bleed - even at 430°C Bonded and cross-linked Solvent…
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HP-5ms Ultra Inert
Agilent TechnologiesAgilent 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…
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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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Restek’s molecular sieve 5A PLOT columns are designed for efficient separation of argon/oxygen and other permanent gases, including carbon monoxide. Special coating and deactivation procedures ensure chromatographic efficiency and the integrity of the porous layer coating. Molecular sieves…
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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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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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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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The PerkinElmer Elite-502.2 Series of capillary columns are specifically designed for the analysis of volatiles by US EPA method 502.2. The low polarity phase is a proprietary dimethyl-diphenyl polysiloxane bonded phase.
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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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Similar to CG-1192 but with a sealed in COARSE porosity 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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low- to midpolarity phase; Crossbond diphenyl dimethyl polysiloxane Rtx-20 polymer is synthesized to exacting standards. All residual catalysts and low molecular weight fragments are removed from the polymer, providing a tight monomodal distribution and extremely low bleed. …
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low-polarity proprietary 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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Crossbond 5% diphenyl/95% dimethyl polysiloxane—optimized for hydrocarbon analysis
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low-polarity phase; Crossbond diphenyl dimethyl polysiloxane General purpose columns for drugs, solvent impurities, pesticides, hydrocarbons, PCB congeners (e.g., Aroclor mixes), essential oils, semivolatiles. Column specifically tested for low-bleed performance. Temperature range:…
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Elite 624 capillary column 30m x 0.45mm, 2.55µm
PerkinElmerTemperature range -20°C to 240°C Equivalent to USP G43 phase
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DB-Petro
Agilent Technologies100% Dimethylpolysiloxane Configured for the analysis of petroleum process products PONA, PIANO High resolution Bonded and cross-linked Solvent rinsable Similar Phases: Petrocol DH, HP-PONA, SPB-1, 007-1, Rtx-1, MXT-1 100 psi regulator required to reach optimum…
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Elite-WAX capillary column 30m x 0.32mm, 0.50µm
PerkinElmerTemperature range 20oC to 250 oC, Equivalent to USP G14, G15, G16, G20, G39.
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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…