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-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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Elite-5MS capillary column 30m x 0.25mm, 0.25µm
PerkinElmerTemperature range -60oC to 350 oC Equivalent to USP G27, G36 phases
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Elite-1 capillary column, 30m x 0.25mm, 1.00µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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DB-Tph 30m, 0.32mm, 0.25um
Agilent TechnologiesSpecifically designed for the analysis of total petroleum hydrocarbons (TPHs), soil analysis, and LUFT Three analyses in one injection: gas range organics, diesel range organics and motor oil Fast run time Bonded and cross-linked Solvent rinsable Agilent Technologies…
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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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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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GS-Carbonplot
Agilent TechnologiesAgilent J&W GS-CarbonPLOT uses a high stability, carbon-layer stationary phase to deliver unique selectivity for inorganic and organic gases. The column features an extended temperature limit to 360 °C. The retention stability of GS-CarbonPLOT is not affected by water, and the column is…
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Gas Chromatography Capillary Column
Agilent TechnologiesAgilent J&W VF-1ms is a highly inert, nonpolar, 100% dimethylpolysiloxane phase column that provides increased sensitivity for a broad array of applications, particularly for energy, pharmaceutical, and environmental analysis. The column has an ultra-low-bleed specification of 1 pA at 325 °C (30 m,…
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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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Useful for a wide range of applications Compatible with most common solvents Maximum temperature: 325°C
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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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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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HP-INNOWax GC Columns
Agilent TechnologiesHP-INNOWax is a polyethylene glycol (PEG) stationary phase that features high polarity and high upper temperature limits. It is a close equivalent to USP phase G16 and is targeted at food, flavor, and fragrance applications. The improved line of Agilent J&W HP-INNOWax GC columns utilizes…
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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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DB-608
Agilent TechnologiesSpecifically designed for the analysis of chlorinated pesticides and PCBs U.S. EPA Methods: 608, 508, 8080 Excellent inertness and recoveries without pesticide breakdown Bonded and cross-linked Solvent rinsable Exact replacement of HP-608 Similar Phases: SPB-608,…
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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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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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Elite-WAX capillary column 30m x 0.53mm, 1.00µm
PerkinElmerTemperature range 20oC to 240/250 oC, Equivalent to USP G14, G15, G16, G20, G39.
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divinylbenzene ethylene glycol/dimethylacrylate Porous polymers are unique, highly retentive stationary phases with a wide application range that are able to elute both polar and nonpolar compounds. They are very hydrophobic, so water has no impact on retention times and even elutes as a good…
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Elite-1 capillary column, 15m x 0.25mm, 0.25µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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proprietary Crossbond phase These columns separate to baseline all blood alcohol compounds in blood, breath, or urine, in less than 3 minutes, under isothermal conditions. Isothermal analysis increases productivity by eliminating the need for oven cycling. Confirmation is easily achieved with…
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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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DB-VRX
Agilent TechnologiesUnique selectivity engineered for optimum resolution of volatiles analysis: U.S. EPA Methods 502.2, 524.2 and 8260 0.45 mm ID columns provide more plates per meter compared to 0.53 mm ID columns for the fewest coelutions for GC method (an industry first)** No subambient cooling required to…
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GC Capillary Guard Column
Agilent TechnologiesJ&W DB-5ms is a non-polar phenyl arylene polymer gas chromatography (GC) Column, virtually equivalent to (5%-phenyl)-methylpolysiloxane, featuring an excellent signal-to-noise ratio for analytical applications. This improved performance gives better sensitivity and mass spectral integrity, and…
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Similar to CG-1202 but with a COARSE porosity fritted disc sealed into the lower end of the column for packing support. Column is constructed using MEDIUM WALL tubing. Can be used with CG-1201 flow controller. Connection between the column and flow control adapter are spherical joints connected…
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OPTIMA® 225 Capillary Columns
MACHEREY-NAGELOPTIMA® 225 Capillary columns for GC Features 50 % cyanopropylmethyl – 50 % phenylmethylpolysiloxane · USP G7 / G19 Medium polar phase Recommended for fatty acid analyses Similar phases: DB-225, HP-225, OV-225, Rtx-225, CP-Sil 43, 007-225, BP225 Max.…
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Tested with a comprehensive test mix to ensure high inertness. Useful for a wide range of applications. Use with most common solvents. Maximum temperature: 325°C. *30- and 60-meter lengths are banded in 5-meter sections. †Recommendation: Cut 60 m guard columns into shorter…
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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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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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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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DB-1ms
Agilent Technologies100% Dimethylpolysiloxane Identical selectivity to DB-1 Non-polar Very low bleed characteristics, ideal for GC/MS Improved acid performance compared to standard 100% Dimethylpolysiloxane columns Improved signal-to-noise ratio for better sensitivity and mass spectral integrity …
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GS-Alumina
Agilent TechnologiesMost “polar” Alumina phase Aluminum oxide with proprietary deactivation Excellent general use column for light hydrocarbon analysis: C1 to C8 hydrocarbon isomers Separates C1-C4 saturated and unsaturated hydrocarbons Best for resolving cyclopropane from propylene …