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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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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Elite-1 capillary column, 60m x 0.32mm, 1.00µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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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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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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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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Untreated Capillaries
MACHEREY-NAGELUntreated capillaries Recommended application: Capillary electrophoresis Preparation of capillary columns Capillary LC applications
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Inlet Ferrules, High Purity Graphite
Chromatography Research SuppliesThomas Scientific offers a large selection of ferrules made from PTFE, Graphite, Vespel® and Vespel/Graphite composites. Ferrule sizes refer to the size of the fittings into which they fit; they are not the diameter of the ferrule. (For example, 1/16" ferrules are 1/8" diameter.) …
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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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Reservoirs for use with CG-1188 and CG-1189 chromatography columns. Reservoir has a top 24/40 standard taper outer joint for use with CG-1191 flow control adapter and the listed size lower inner joint.
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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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Se-30 And Se-54
Agilent TechnologiesSE-30: 100% Dimethylpolysiloxane SE-54: (5%-Phenyl)(1%-Vinyl)-methylpolysiloxane Because SE series GC columns are not bonded or cross-linked, we do not recommend solvent rinsing. Agilent Technologies products are intended for sale/shipment within the US only. International customers…
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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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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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Elite-17 capillary column, 20m x 0.18mm, 0.18µm
PerkinElmerEquivalent to USP G3 phase Temperature range 40°C to 320°C
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Elite-1 capillary column, 15m 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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Useful for a wide range of applications Compatible with most common solvents Maximum temperature: 325°C
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DB-225
Agilent Technologies(50%-Cyanopropylphenyl)-dimethylpolysiloxane Mid/high polarity Excellent for separations of cis- and trans-fatty acid methyl esters (FAMEs) Bonded and cross-linked Solvent rinsable Exact replacement of HP-225 Close equivalent to USP Phase G7 Similar Phases:…
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Elite-200 capillary column 30m x 0.32mm, 0.25µm
PerkinElmerEquivalent to USP G6 phase. Temperature range -20°C to 320/340°C.
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Rtx-1 Columns (fused silica)
Resteknonpolar phase; Crossbond dimethyl polysiloxane General-purpose columns for solvent impurities, PCB congeners (e.g., Aroclor mixes), simulated distillation, arson accelerants, gases, natural gas odorants, sulfur compounds, essential oils, hydrocarbons, semivolatiles, pesticides, oxygenates. …
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DB-1
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. 100% Dimethylpolysiloxane Non-polar Excellent general purpose column …
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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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polar polyethylene glycol deactivation Tested with a comprehensive test mix to ensure high inertness Polyethylene glycol deactivation layer provides optimum wettability for polar compounds Minimize peak splitting when using polar solvents such as methanol or water Compatible with…
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Polyethylene Glycol Industry standard wax column Polar phase Cross-linked for stability and washing Application Areas: alcohol, free acids, fatty acid methyl esters, aromatics, solvents, essential oils Operating Temperature: 0.1-1.0µm film thickness:…
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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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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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Capillary Column Support
PerkinElmerThe PerkinElmer capillary column support is designed to use with capillary split/split less injector and comes with all the instruments that are required to install the support.
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Designed for use with Merlin Microseal sealing system; can be used with other septumless systems. Coating bonded to a flexible fused silica core, yielding a more suitable coating on a less breakable fiber. There may be a slight difference in extraction selectivity compared to the same coating…
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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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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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nonpolar phase; Crossbond 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…
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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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