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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proprietary Crossbond phase Improved resolution and faster analyses, compared to 1701 or phenyl phases, make these the pesticide columns of choice. Rtx-CLPesticides columns are specially designed to overcome the coelutions and analyte breakdown typically encountered in chlorinated pesticide…
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eCl@ss 32119290 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 …
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midpolarity phase; Crossbond 35% diphenyl/65% dimethyl polysiloxane Active basic compounds that otherwise require derivatization, or an alternative analytical technique, can be analyzed on an Rtx-35 Amine column. The tubing surface is chemically altered to reduce tailing of basic compounds,…
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Elite-5ht capillary column 30m x 0.25mm, 0.10µm
PerkinElmerTemperature range -60 o C to 400 o C. Equivalent to USP G27, G36 phases.
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Capillary Column Ferrules
Agilent TechnologiesCapillary ferrules are packaged in dial packs which deliver one ferrule at a time, keeping the others clean and ready for use. The dial packaging has been tested to ensure no out gassing of contaminants, including phthalates. *These ferrules are recommended for use with Agilent GC/MS…
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polar phase; Crossbond Carbowax polyethylene glycol—provides oxidation resistance General-purpose columns for FAMEs, flavor compounds, essential oils, amines, solvents, xylene isomers, and U.S. EPA Method 603 (acrolein/acrylonitrile). Equivalent to USP G14, G15, G16, G20, and G39…
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Cyclosil-B
Agilent Technologies30% heptakis (2,3-di-O-methyl-6-O-t-butyl dimethylsilyl)-β -cyclodextrin in DB-1701 Chiral separations without chiral specific derivatization New stationary phase for improved resolution of many chiral separations Suitable for many chiral γ -lactones and terpenes Similar…
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DB-225ms
Agilent TechnologiesVirtually equivalent to (50%-Cyanopropylphenyl)-methylpolysiloxane Mid/high polarity Excellent for separations of cis- and trans-fatty acid methyl esters (FAMEs) Low bleed Bonded and cross-linked Solvent rinsable Close equivalent to USP Phase G7 Similar Phases:…
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General purpose column having a PTFE stopcock and a top Rodaviss® outer joint. 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 CHEMISTRY 43, 2923 [1978], and covered in U.S. Patent Number…
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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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J&W DB-1ms Ultra Inert Capillary GC Columns
Agilent TechnologiesDB-1ms is an excellent general-purpose GC column and ideal for GC/MS of active analytes commonly found in drug screening and environmental analyses. The Ultra Inert 1ms GC columns set the new industry standards for consistent column inertness and exceptionally low column bleed. These columns…
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proprietary Crossbond diphenyl/dimethyl polysiloxane phase An MXT-502.2 column will enable you to quantify all compounds listed in U.S. EPA Methods 502.2 or 524.2, whether you use a mass spectrometer or a PID in tandem with an ELCD. The diphenyl/dimethyl polysiloxane based MXT-502.2 stationary…
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DB-624
Agilent TechnologiesSpecifically designed for the analysis of volatile priority pollutants No cryogenics needed for U.S. EPA Method 502.2 Excellent for U.S. EPA Methods: 501.3, 502.2, 503.1, 524.2, 601, 602, 8010, 8015, 8020, 8240 and 8260 Exhibits inertness to active compounds Bonded and cross-linked Solvent…
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OPTIMA® 1 Capillary Columns
MACHEREY-NAGELOPTIMA® 1 Capillary columns for GC Features 100 % dimethylpolysiloxane · USP G1 / G2 / G38 Nonpolar phase Separation of components according to boiling points Thick film columns ≥ 3 µm film are expecially recommended for solvent analysis. Low bleed…
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DB-5ht
Agilent TechnologiesMeets ASTM 6584 and EN14105 Standards 100% Dimethylpolysiloxane Non-polar Specially processed for extended temperature limit of 400°C High temperature, polyimide-coated, fused silica tubing Excellent peak shape and faster elution times for high boilers Bonded and…
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2,3-di-O-ethyl-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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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 …
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Packed column made up of stainless steel are basically employed when higher carrier gas flow rates are employed as they can sustain elevated pressure. Stainless steel columns are usually washed with dilute hydrochloric acid, then with water followed by methanol, acetone, methylene dichloride and…
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Elite-1 capillary column, 15m x 0.32mm, 3.00µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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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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HP-5
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 Non-polar Excellent general purpose column …
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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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proprietary Crossbond phase The Rtx-VRX stationary phase and optimized column dimensions provide low bleed, excellent resolution, and fast analysis times for volatile compounds. Application-specific columns for volatile organic pollutants. Excellent for U.S. EPA Method 8021 compounds. …
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Temperature range -20°C to 240/260°C.
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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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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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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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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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Rt-XLSulfur Columns
RestekSulfur analyses are traditionally performed using PTFE tubing to improve column inertness. Unfortunately, PTFE tubing is gas permeable, difficult to pack with high efficiency, prone to shrinkage, and has poor thermal stability. The Rt-XLSulfur packed or micropacked column eliminates these problems.…
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high-polarity phase; Crossbond diphenyl dimethyl polysiloxane The Rtx-65TG phase resolves triglycerides by degree of unsaturation as well as by carbon number. Because of the chemistry required to achieve 370°C thermal stability, an Rtx-65TG column should not be used for the analyses of…
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SCOT Capillary GC Column phase Bentone 34/DNDP
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…