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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Elite 608 capillary column 75m x 0.32mm, 0.50µm
PerkinElmerThermally stable to 340°C Low column bleed - ideally suited for ECD and GC/MS analysis
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PerkinElmer's new line of Velocity fused silica columns yield exceptional performance for general GC applications without the cost associated with GC/MS analysis. Designed to offer quality, affordability with reproducible results, comparable to Agilent, Supelco, Restek, SGE and Varian GC columns…
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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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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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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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Similar to CG-1186 but with a sealed in COARSE porosity fritted disc to support column packing. Lower end of the column has a round bottom. Column is constructed using MEDIUM WALL TUBING.
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Temperature range: -20 to 320 degrees celsius. Similar to USP G43 phase.
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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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The Elite-SimDist columns are specifically for the simulated distillation application. The phase is specifically processed for dimethylpolysiloxane.
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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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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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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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Elite-17ms columns are for confirmation analysis and have excellent inertness for active compounds
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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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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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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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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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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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nonpolar phase Accurate boiling point determination for medium and heavy fractions using GC simulated distillation requires columns and phase polymers that are robust enough to withstand high temperatures without significant degradation. Lowest bleed for longest column lifetime. …
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Restek's R&D chemists have optimized the deactivation technology applied to our MXT-Alumina BOND/MAPD column for improved analysis of trace concentrations of polar hydrocarbons like acetylene, methyl acetylene, and propadiene in hydrocarbon streams containing higher levels of C1-C5…
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100% divinylbenzene 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 chromatographic peak. The…
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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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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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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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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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Application: This non-polar general purpose column provides primarily a boiling point elution order with a slight increase in selectivity, especially for aromatic compounds. USP Code: This column meets USP G27 and G36 requirements. Phase: Bonded Poly(5% diphenyl/95%…
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Temperature range -60°C to 300/315°C.
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low-polarity phase; Crossbond 1,4-bis(dimethylsiloxy)phenylene 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…
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midpolarity phase; Crossbond trifluoropropylmethyl polysiloxane Column specifically tested for low-bleed performance. 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…
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Temperature range 40°C to 360°C Equivalent to USP G3